Home / 5,121,830.82-7,681,760.46-2,388,627.96

Finding the Fourth Proportional to 5,121,830.82, 7,681,760.46 and 2,388,627.96

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Solution

The fourth proportional to 5,121,830.82, 7,681,760.46 and 2,388,627.96 is: 3,582,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,830.82 : 7,681,760.46 = 2,388,627.96 : x
  2. Step 2: Convert to fraction form
    5,121,830.82/7,681,760.46 = 2,388,627.96/x
  3. Step 3: Cross multiply
    5,121,830.82x = 7,681,760.46 × 2,388,627.96
  4. Step 4: Simplify right side
    5,121,830.82x = 18,348,867,816,778.46
  5. Step 5: Solve for x
    x = 18,348,867,816,778.46/5,121,830.82
  6. Step 6: Final answer
    x = 3,582,482.21

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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.