Home / 3,754,407.50-5,181,191.65-2,122,779.83

Finding the Fourth Proportional to 3,754,407.50, 5,181,191.65 and 2,122,779.83

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Solution

The fourth proportional to 3,754,407.50, 5,181,191.65 and 2,122,779.83 is: 2,929,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754,407.50 : 5,181,191.65 = 2,122,779.83 : x
  2. Step 2: Convert to fraction form
    3,754,407.50/5,181,191.65 = 2,122,779.83/x
  3. Step 3: Cross multiply
    3,754,407.50x = 5,181,191.65 × 2,122,779.83
  4. Step 4: Simplify right side
    3,754,407.50x = 10,998,529,152,121.80
  5. Step 5: Solve for x
    x = 10,998,529,152,121.80/3,754,407.50
  6. Step 6: Final answer
    x = 2,929,497.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.