Home / 2,702,278.50-3,729,191.72-1,478,691.22

Finding the Fourth Proportional to 2,702,278.50, 3,729,191.72 and 1,478,691.22

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Solution

The fourth proportional to 2,702,278.50, 3,729,191.72 and 1,478,691.22 is: 2,040,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702,278.50 : 3,729,191.72 = 1,478,691.22 : x
  2. Step 2: Convert to fraction form
    2,702,278.50/3,729,191.72 = 1,478,691.22/x
  3. Step 3: Cross multiply
    2,702,278.50x = 3,729,191.72 × 1,478,691.22
  4. Step 4: Simplify right side
    2,702,278.50x = 5,514,323,037,344.26
  5. Step 5: Solve for x
    x = 5,514,323,037,344.26/2,702,278.50
  6. Step 6: Final answer
    x = 2,040,619.81

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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.