Home / 2,201,165.20-3,301,747.80-781,364.80

Finding the Fourth Proportional to 2,201,165.20, 3,301,747.80 and 781,364.80

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Solution

The fourth proportional to 2,201,165.20, 3,301,747.80 and 781,364.80 is: 1,172,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,165.20 : 3,301,747.80 = 781,364.80 : x
  2. Step 2: Convert to fraction form
    2,201,165.20/3,301,747.80 = 781,364.80/x
  3. Step 3: Cross multiply
    2,201,165.20x = 3,301,747.80 × 781,364.80
  4. Step 4: Simplify right side
    2,201,165.20x = 2,579,869,509,397.44
  5. Step 5: Solve for x
    x = 2,579,869,509,397.44/2,201,165.20
  6. Step 6: Final answer
    x = 1,172,047.20

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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.