Home / 3,193,817.70-4,790,726.55-2,878,889.70

Finding the Fourth Proportional to 3,193,817.70, 4,790,726.55 and 2,878,889.70

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Solution

The fourth proportional to 3,193,817.70, 4,790,726.55 and 2,878,889.70 is: 4,318,334.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193,817.70 : 4,790,726.55 = 2,878,889.70 : x
  2. Step 2: Convert to fraction form
    3,193,817.70/4,790,726.55 = 2,878,889.70/x
  3. Step 3: Cross multiply
    3,193,817.70x = 4,790,726.55 × 2,878,889.70
  4. Step 4: Simplify right side
    3,193,817.70x = 13,791,973,320,311.54
  5. Step 5: Solve for x
    x = 13,791,973,320,311.54/3,193,817.70
  6. Step 6: Final answer
    x = 4,318,334.55

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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.