Home / 3,815,062.88-5,723,480.64-1,119,279.20

Finding the Fourth Proportional to 3,815,062.88, 5,723,480.64 and 1,119,279.20

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Solution

The fourth proportional to 3,815,062.88, 5,723,480.64 and 1,119,279.20 is: 1,679,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,062.88 : 5,723,480.64 = 1,119,279.20 : x
  2. Step 2: Convert to fraction form
    3,815,062.88/5,723,480.64 = 1,119,279.20/x
  3. Step 3: Cross multiply
    3,815,062.88x = 5,723,480.64 × 1,119,279.20
  4. Step 4: Simplify right side
    3,815,062.88x = 6,406,172,831,954.69
  5. Step 5: Solve for x
    x = 6,406,172,831,954.69/3,815,062.88
  6. Step 6: Final answer
    x = 1,679,178.83

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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.