Home / 2,487,704.59-3,731,577.65-690,728.20

Finding the Fourth Proportional to 2,487,704.59, 3,731,577.65 and 690,728.20

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Solution

The fourth proportional to 2,487,704.59, 3,731,577.65 and 690,728.20 is: 1,036,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,704.59 : 3,731,577.65 = 690,728.20 : x
  2. Step 2: Convert to fraction form
    2,487,704.59/3,731,577.65 = 690,728.20/x
  3. Step 3: Cross multiply
    2,487,704.59x = 3,731,577.65 × 690,728.20
  4. Step 4: Simplify right side
    2,487,704.59x = 2,577,505,903,152.38
  5. Step 5: Solve for x
    x = 2,577,505,903,152.38/2,487,704.59
  6. Step 6: Final answer
    x = 1,036,098.06

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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.