Home / 3,945,146.95-5,917,778.75-1,105,079.59

Finding the Fourth Proportional to 3,945,146.95, 5,917,778.75 and 1,105,079.59

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Solution

The fourth proportional to 3,945,146.95, 5,917,778.75 and 1,105,079.59 is: 1,657,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,146.95 : 5,917,778.75 = 1,105,079.59 : x
  2. Step 2: Convert to fraction form
    3,945,146.95/5,917,778.75 = 1,105,079.59/x
  3. Step 3: Cross multiply
    3,945,146.95x = 5,917,778.75 × 1,105,079.59
  4. Step 4: Simplify right side
    3,945,146.95x = 6,539,616,514,760.71
  5. Step 5: Solve for x
    x = 6,539,616,514,760.71/3,945,146.95
  6. Step 6: Final answer
    x = 1,657,635.72

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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.