Home / 4,121,427.21-5,681,000.10-3,248,839.86

Finding the Fourth Proportional to 4,121,427.21, 5,681,000.10 and 3,248,839.86

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Solution

The fourth proportional to 4,121,427.21, 5,681,000.10 and 3,248,839.86 is: 4,478,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,427.21 : 5,681,000.10 = 3,248,839.86 : x
  2. Step 2: Convert to fraction form
    4,121,427.21/5,681,000.10 = 3,248,839.86/x
  3. Step 3: Cross multiply
    4,121,427.21x = 5,681,000.10 × 3,248,839.86
  4. Step 4: Simplify right side
    4,121,427.21x = 18,456,659,569,543.98
  5. Step 5: Solve for x
    x = 18,456,659,569,543.98/4,121,427.21
  6. Step 6: Final answer
    x = 4,478,220.44

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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.