Home / 2,897,087.14-3,998,715.15-1,979,687.62

Finding the Fourth Proportional to 2,897,087.14, 3,998,715.15 and 1,979,687.62

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Solution

The fourth proportional to 2,897,087.14, 3,998,715.15 and 1,979,687.62 is: 2,732,471.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,087.14 : 3,998,715.15 = 1,979,687.62 : x
  2. Step 2: Convert to fraction form
    2,897,087.14/3,998,715.15 = 1,979,687.62/x
  3. Step 3: Cross multiply
    2,897,087.14x = 3,998,715.15 × 1,979,687.62
  4. Step 4: Simplify right side
    2,897,087.14x = 7,916,206,878,361.44
  5. Step 5: Solve for x
    x = 7,916,206,878,361.44/2,897,087.14
  6. Step 6: Final answer
    x = 2,732,471.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.