Home / 5,478,387.29-7,559,509.80-3,156,031.73

Finding the Fourth Proportional to 5,478,387.29, 7,559,509.80 and 3,156,031.73

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Solution

The fourth proportional to 5,478,387.29, 7,559,509.80 and 3,156,031.73 is: 4,354,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478,387.29 : 7,559,509.80 = 3,156,031.73 : x
  2. Step 2: Convert to fraction form
    5,478,387.29/7,559,509.80 = 3,156,031.73/x
  3. Step 3: Cross multiply
    5,478,387.29x = 7,559,509.80 × 3,156,031.73
  4. Step 4: Simplify right side
    5,478,387.29x = 23,858,052,792,045.95
  5. Step 5: Solve for x
    x = 23,858,052,792,045.95/5,478,387.29
  6. Step 6: Final answer
    x = 4,354,940.88

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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.