Home / 3,130,233.70-4,695,350.55-2,420,770.90

Finding the Fourth Proportional to 3,130,233.70, 4,695,350.55 and 2,420,770.90

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Solution

The fourth proportional to 3,130,233.70, 4,695,350.55 and 2,420,770.90 is: 3,631,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,233.70 : 4,695,350.55 = 2,420,770.90 : x
  2. Step 2: Convert to fraction form
    3,130,233.70/4,695,350.55 = 2,420,770.90/x
  3. Step 3: Cross multiply
    3,130,233.70x = 4,695,350.55 × 2,420,770.90
  4. Step 4: Simplify right side
    3,130,233.70x = 11,366,367,976,738.99
  5. Step 5: Solve for x
    x = 11,366,367,976,738.99/3,130,233.70
  6. Step 6: Final answer
    x = 3,631,156.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.