Home / 2,591,154.72-3,885,980.40-993,601.44

Finding the Fourth Proportional to 2,591,154.72, 3,885,980.40 and 993,601.44

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Solution

The fourth proportional to 2,591,154.72, 3,885,980.40 and 993,601.44 is: 1,490,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591,154.72 : 3,885,980.40 = 993,601.44 : x
  2. Step 2: Convert to fraction form
    2,591,154.72/3,885,980.40 = 993,601.44/x
  3. Step 3: Cross multiply
    2,591,154.72x = 3,885,980.40 × 993,601.44
  4. Step 4: Simplify right side
    2,591,154.72x = 3,861,115,721,251.78
  5. Step 5: Solve for x
    x = 3,861,115,721,251.78/2,591,154.72
  6. Step 6: Final answer
    x = 1,490,113.92

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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.