Home / 3,120,295.20-4,381,010.40-3,120,295.20

Finding the Fourth Proportional to 3,120,295.20, 4,381,010.40 and 3,120,295.20

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Solution

The fourth proportional to 3,120,295.20, 4,381,010.40 and 3,120,295.20 is: 4,381,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,295.20 : 4,381,010.40 = 3,120,295.20 : x
  2. Step 2: Convert to fraction form
    3,120,295.20/4,381,010.40 = 3,120,295.20/x
  3. Step 3: Cross multiply
    3,120,295.20x = 4,381,010.40 × 3,120,295.20
  4. Step 4: Simplify right side
    3,120,295.20x = 13,670,045,722,270.08
  5. Step 5: Solve for x
    x = 13,670,045,722,270.08/3,120,295.20
  6. Step 6: Final answer
    x = 4,381,010.40

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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 (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.