Home / 2,123,926.86-3,182,572.53-1,807,080.78

Finding the Fourth Proportional to 2,123,926.86, 3,182,572.53 and 1,807,080.78

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Solution

The fourth proportional to 2,123,926.86, 3,182,572.53 and 1,807,080.78 is: 2,707,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,926.86 : 3,182,572.53 = 1,807,080.78 : x
  2. Step 2: Convert to fraction form
    2,123,926.86/3,182,572.53 = 1,807,080.78/x
  3. Step 3: Cross multiply
    2,123,926.86x = 3,182,572.53 × 1,807,080.78
  4. Step 4: Simplify right side
    2,123,926.86x = 5,751,165,649,918.97
  5. Step 5: Solve for x
    x = 5,751,165,649,918.97/2,123,926.86
  6. Step 6: Final answer
    x = 2,707,798.35

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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.