Home / 3,172,019.94-4,377,419.01-1,721,727.90

Finding the Fourth Proportional to 3,172,019.94, 4,377,419.01 and 1,721,727.90

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Solution

The fourth proportional to 3,172,019.94, 4,377,419.01 and 1,721,727.90 is: 2,376,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,019.94 : 4,377,419.01 = 1,721,727.90 : x
  2. Step 2: Convert to fraction form
    3,172,019.94/4,377,419.01 = 1,721,727.90/x
  3. Step 3: Cross multiply
    3,172,019.94x = 4,377,419.01 × 1,721,727.90
  4. Step 4: Simplify right side
    3,172,019.94x = 7,536,724,439,507.38
  5. Step 5: Solve for x
    x = 7,536,724,439,507.38/3,172,019.94
  6. Step 6: Final answer
    x = 2,376,001.60

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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.