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Finding the Fourth Proportional to 2,869,893.68, 4,304,840.52 and 2,500,378.16

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Solution

The fourth proportional to 2,869,893.68, 4,304,840.52 and 2,500,378.16 is: 3,750,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,893.68 : 4,304,840.52 = 2,500,378.16 : x
  2. Step 2: Convert to fraction form
    2,869,893.68/4,304,840.52 = 2,500,378.16/x
  3. Step 3: Cross multiply
    2,869,893.68x = 4,304,840.52 × 2,500,378.16
  4. Step 4: Simplify right side
    2,869,893.68x = 10,763,729,218,491.04
  5. Step 5: Solve for x
    x = 10,763,729,218,491.04/2,869,893.68
  6. Step 6: Final answer
    x = 3,750,567.24

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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.