Home / 2,201,147.70-3,301,721.55-781,347.30

Finding the Fourth Proportional to 2,201,147.70, 3,301,721.55 and 781,347.30

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Solution

The fourth proportional to 2,201,147.70, 3,301,721.55 and 781,347.30 is: 1,172,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,147.70 : 3,301,721.55 = 781,347.30 : x
  2. Step 2: Convert to fraction form
    2,201,147.70/3,301,721.55 = 781,347.30/x
  3. Step 3: Cross multiply
    2,201,147.70x = 3,301,721.55 × 781,347.30
  4. Step 4: Simplify right side
    2,201,147.70x = 2,579,791,218,444.32
  5. Step 5: Solve for x
    x = 2,579,791,218,444.32/2,201,147.70
  6. Step 6: Final answer
    x = 1,172,020.95

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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.