Home / 3,187,746.42-4,399,091.70-1,811,092.56

Finding the Fourth Proportional to 3,187,746.42, 4,399,091.70 and 1,811,092.56

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Solution

The fourth proportional to 3,187,746.42, 4,399,091.70 and 1,811,092.56 is: 2,499,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,746.42 : 4,399,091.70 = 1,811,092.56 : x
  2. Step 2: Convert to fraction form
    3,187,746.42/4,399,091.70 = 1,811,092.56/x
  3. Step 3: Cross multiply
    3,187,746.42x = 4,399,091.70 × 1,811,092.56
  4. Step 4: Simplify right side
    3,187,746.42x = 7,967,162,248,627.75
  5. Step 5: Solve for x
    x = 7,967,162,248,627.75/3,187,746.42
  6. Step 6: Final answer
    x = 2,499,308.66

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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.