Home / 5,087,961.56-7,021,656.20-2,883,251.72

Finding the Fourth Proportional to 5,087,961.56, 7,021,656.20 and 2,883,251.72

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Solution

The fourth proportional to 5,087,961.56, 7,021,656.20 and 2,883,251.72 is: 3,979,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087,961.56 : 7,021,656.20 = 2,883,251.72 : x
  2. Step 2: Convert to fraction form
    5,087,961.56/7,021,656.20 = 2,883,251.72/x
  3. Step 3: Cross multiply
    5,087,961.56x = 7,021,656.20 × 2,883,251.72
  4. Step 4: Simplify right side
    5,087,961.56x = 20,245,202,315,898.66
  5. Step 5: Solve for x
    x = 20,245,202,315,898.66/5,087,961.56
  6. Step 6: Final answer
    x = 3,979,039.95

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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.