Home / 5,679,342.07-8,521,673.38-2,799,138.78

Finding the Fourth Proportional to 5,679,342.07, 8,521,673.38 and 2,799,138.78

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Solution

The fourth proportional to 5,679,342.07, 8,521,673.38 and 2,799,138.78 is: 4,200,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,342.07 : 8,521,673.38 = 2,799,138.78 : x
  2. Step 2: Convert to fraction form
    5,679,342.07/8,521,673.38 = 2,799,138.78/x
  3. Step 3: Cross multiply
    5,679,342.07x = 8,521,673.38 × 2,799,138.78
  4. Step 4: Simplify right side
    5,679,342.07x = 23,853,346,428,451.68
  5. Step 5: Solve for x
    x = 23,853,346,428,451.68/5,679,342.07
  6. Step 6: Final answer
    x = 4,200,019.32

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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.