Home / 5,008,178.22-7,512,346.53-1,221,732.78

Finding the Fourth Proportional to 5,008,178.22, 7,512,346.53 and 1,221,732.78

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Solution

The fourth proportional to 5,008,178.22, 7,512,346.53 and 1,221,732.78 is: 1,832,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008,178.22 : 7,512,346.53 = 1,221,732.78 : x
  2. Step 2: Convert to fraction form
    5,008,178.22/7,512,346.53 = 1,221,732.78/x
  3. Step 3: Cross multiply
    5,008,178.22x = 7,512,346.53 × 1,221,732.78
  4. Step 4: Simplify right side
    5,008,178.22x = 9,178,080,010,420.25
  5. Step 5: Solve for x
    x = 9,178,080,010,420.25/5,008,178.22
  6. Step 6: Final answer
    x = 1,832,618.49

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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.