Home / 2,485,658.74-3,731,979.12-1,272,103.24

Finding the Fourth Proportional to 2,485,658.74, 3,731,979.12 and 1,272,103.24

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Solution

The fourth proportional to 2,485,658.74, 3,731,979.12 and 1,272,103.24 is: 1,909,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,658.74 : 3,731,979.12 = 1,272,103.24 : x
  2. Step 2: Convert to fraction form
    2,485,658.74/3,731,979.12 = 1,272,103.24/x
  3. Step 3: Cross multiply
    2,485,658.74x = 3,731,979.12 × 1,272,103.24
  4. Step 4: Simplify right side
    2,485,658.74x = 4,747,462,730,164.35
  5. Step 5: Solve for x
    x = 4,747,462,730,164.35/2,485,658.74
  6. Step 6: Final answer
    x = 1,909,941.48

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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.