Home / 3,654,080-5,481,642.72-1,129,929.92

Finding the Fourth Proportional to 3,654,080, 5,481,642.72 and 1,129,929.92

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Solution

The fourth proportional to 3,654,080, 5,481,642.72 and 1,129,929.92 is: 1,695,056.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654,080 : 5,481,642.72 = 1,129,929.92 : x
  2. Step 2: Convert to fraction form
    3,654,080/5,481,642.72 = 1,129,929.92/x
  3. Step 3: Cross multiply
    3,654,080x = 5,481,642.72 × 1,129,929.92
  4. Step 4: Simplify right side
    3,654,080x = 6,193,872,120,078.18
  5. Step 5: Solve for x
    x = 6,193,872,120,078.18/3,654,080
  6. Step 6: Final answer
    x = 1,695,056.52

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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.