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Finding the Fourth Proportional to 2,899,937.60, 4,350,489.60 and 2,429,878.40

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Solution

The fourth proportional to 2,899,937.60, 4,350,489.60 and 2,429,878.40 is: 3,645,306.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,937.60 : 4,350,489.60 = 2,429,878.40 : x
  2. Step 2: Convert to fraction form
    2,899,937.60/4,350,489.60 = 2,429,878.40/x
  3. Step 3: Cross multiply
    2,899,937.60x = 4,350,489.60 × 2,429,878.40
  4. Step 4: Simplify right side
    2,899,937.60x = 10,571,160,708,464.64
  5. Step 5: Solve for x
    x = 10,571,160,708,464.64/2,899,937.60
  6. Step 6: Final answer
    x = 3,645,306.27

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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.