Home / 3,081,781.28-4,252,835.04-1,723,654.28

Finding the Fourth Proportional to 3,081,781.28, 4,252,835.04 and 1,723,654.28

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Solution

The fourth proportional to 3,081,781.28, 4,252,835.04 and 1,723,654.28 is: 2,378,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081,781.28 : 4,252,835.04 = 1,723,654.28 : x
  2. Step 2: Convert to fraction form
    3,081,781.28/4,252,835.04 = 1,723,654.28/x
  3. Step 3: Cross multiply
    3,081,781.28x = 4,252,835.04 × 1,723,654.28
  4. Step 4: Simplify right side
    3,081,781.28x = 7,330,417,318,829.97
  5. Step 5: Solve for x
    x = 7,330,417,318,829.97/3,081,781.28
  6. Step 6: Final answer
    x = 2,378,629.97

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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.