Home / 4,921,189.12-7,381,738.32-1,555,397.92

Finding the Fourth Proportional to 4,921,189.12, 7,381,738.32 and 1,555,397.92

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Solution

The fourth proportional to 4,921,189.12, 7,381,738.32 and 1,555,397.92 is: 2,333,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,189.12 : 7,381,738.32 = 1,555,397.92 : x
  2. Step 2: Convert to fraction form
    4,921,189.12/7,381,738.32 = 1,555,397.92/x
  3. Step 3: Cross multiply
    4,921,189.12x = 7,381,738.32 × 1,555,397.92
  4. Step 4: Simplify right side
    4,921,189.12x = 11,481,540,428,912.29
  5. Step 5: Solve for x
    x = 11,481,540,428,912.29/4,921,189.12
  6. Step 6: Final answer
    x = 2,333,082.54

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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.