Home / 3,101,278.56-4,279,137.15-1,811,869.92

Finding the Fourth Proportional to 3,101,278.56, 4,279,137.15 and 1,811,869.92

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Solution

The fourth proportional to 3,101,278.56, 4,279,137.15 and 1,811,869.92 is: 2,500,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,278.56 : 4,279,137.15 = 1,811,869.92 : x
  2. Step 2: Convert to fraction form
    3,101,278.56/4,279,137.15 = 1,811,869.92/x
  3. Step 3: Cross multiply
    3,101,278.56x = 4,279,137.15 × 1,811,869.92
  4. Step 4: Simplify right side
    3,101,278.56x = 7,753,239,885,639.53
  5. Step 5: Solve for x
    x = 7,753,239,885,639.53/3,101,278.56
  6. Step 6: Final answer
    x = 2,500,014.02

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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.