Home / 5,257,643.84-7,248,974.24-4,387,729.76

Finding the Fourth Proportional to 5,257,643.84, 7,248,974.24 and 4,387,729.76

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Solution

The fourth proportional to 5,257,643.84, 7,248,974.24 and 4,387,729.76 is: 6,049,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,643.84 : 7,248,974.24 = 4,387,729.76 : x
  2. Step 2: Convert to fraction form
    5,257,643.84/7,248,974.24 = 4,387,729.76/x
  3. Step 3: Cross multiply
    5,257,643.84x = 7,248,974.24 × 4,387,729.76
  4. Step 4: Simplify right side
    5,257,643.84x = 31,806,540,002,321.38
  5. Step 5: Solve for x
    x = 31,806,540,002,321.38/5,257,643.84
  6. Step 6: Final answer
    x = 6,049,580.57

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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.