Home / 3,445,982.49-5,168,972.52-921,572.13

Finding the Fourth Proportional to 3,445,982.49, 5,168,972.52 and 921,572.13

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Solution

The fourth proportional to 3,445,982.49, 5,168,972.52 and 921,572.13 is: 1,382,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,982.49 : 5,168,972.52 = 921,572.13 : x
  2. Step 2: Convert to fraction form
    3,445,982.49/5,168,972.52 = 921,572.13/x
  3. Step 3: Cross multiply
    3,445,982.49x = 5,168,972.52 × 921,572.13
  4. Step 4: Simplify right side
    3,445,982.49x = 4,763,581,015,167.87
  5. Step 5: Solve for x
    x = 4,763,581,015,167.87/3,445,982.49
  6. Step 6: Final answer
    x = 1,382,357.87

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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.