Home / 2,486,937.36-3,730,405.79-689,820.91

Finding the Fourth Proportional to 2,486,937.36, 3,730,405.79 and 689,820.91

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Solution

The fourth proportional to 2,486,937.36, 3,730,405.79 and 689,820.91 is: 1,034,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486,937.36 : 3,730,405.79 = 689,820.91 : x
  2. Step 2: Convert to fraction form
    2,486,937.36/3,730,405.79 = 689,820.91/x
  3. Step 3: Cross multiply
    2,486,937.36x = 3,730,405.79 × 689,820.91
  4. Step 4: Simplify right side
    2,486,937.36x = 2,573,311,909,125.61
  5. Step 5: Solve for x
    x = 2,573,311,909,125.61/2,486,937.36
  6. Step 6: Final answer
    x = 1,034,731.29

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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.