Home / 5,147,020.70-7,722,403.05-1,781,567.90

Finding the Fourth Proportional to 5,147,020.70, 7,722,403.05 and 1,781,567.90

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Solution

The fourth proportional to 5,147,020.70, 7,722,403.05 and 1,781,567.90 is: 2,672,999.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,020.70 : 7,722,403.05 = 1,781,567.90 : x
  2. Step 2: Convert to fraction form
    5,147,020.70/7,722,403.05 = 1,781,567.90/x
  3. Step 3: Cross multiply
    5,147,020.70x = 7,722,403.05 × 1,781,567.90
  4. Step 4: Simplify right side
    5,147,020.70x = 13,757,985,384,742.09
  5. Step 5: Solve for x
    x = 13,757,985,384,742.09/5,147,020.70
  6. Step 6: Final answer
    x = 2,672,999.82

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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.