Home / 2,077,489.60-3,115,456.80-729,131.20

Finding the Fourth Proportional to 2,077,489.60, 3,115,456.80 and 729,131.20

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Solution

The fourth proportional to 2,077,489.60, 3,115,456.80 and 729,131.20 is: 1,093,423.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,489.60 : 3,115,456.80 = 729,131.20 : x
  2. Step 2: Convert to fraction form
    2,077,489.60/3,115,456.80 = 729,131.20/x
  3. Step 3: Cross multiply
    2,077,489.60x = 3,115,456.80 × 729,131.20
  4. Step 4: Simplify right side
    2,077,489.60x = 2,271,576,755,132.16
  5. Step 5: Solve for x
    x = 2,271,576,755,132.16/2,077,489.60
  6. Step 6: Final answer
    x = 1,093,423.89

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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.