Home / 3,903,767.86-5,387,367.90-2,161,437.11

Finding the Fourth Proportional to 3,903,767.86, 5,387,367.90 and 2,161,437.11

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Solution

The fourth proportional to 3,903,767.86, 5,387,367.90 and 2,161,437.11 is: 2,982,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903,767.86 : 5,387,367.90 = 2,161,437.11 : x
  2. Step 2: Convert to fraction form
    3,903,767.86/5,387,367.90 = 2,161,437.11/x
  3. Step 3: Cross multiply
    3,903,767.86x = 5,387,367.90 × 2,161,437.11
  4. Step 4: Simplify right side
    3,903,767.86x = 11,644,456,866,538.74
  5. Step 5: Solve for x
    x = 11,644,456,866,538.74/3,903,767.86
  6. Step 6: Final answer
    x = 2,982,876.36

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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.