Home / 5,425,266.92-7,486,965.14-2,978,105.72

Finding the Fourth Proportional to 5,425,266.92, 7,486,965.14 and 2,978,105.72

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Solution

The fourth proportional to 5,425,266.92, 7,486,965.14 and 2,978,105.72 is: 4,109,839.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,266.92 : 7,486,965.14 = 2,978,105.72 : x
  2. Step 2: Convert to fraction form
    5,425,266.92/7,486,965.14 = 2,978,105.72/x
  3. Step 3: Cross multiply
    5,425,266.92x = 7,486,965.14 × 2,978,105.72
  4. Step 4: Simplify right side
    5,425,266.92x = 22,296,973,656,549.25
  5. Step 5: Solve for x
    x = 22,296,973,656,549.25/5,425,266.92
  6. Step 6: Final answer
    x = 4,109,839.02

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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.