Home / 3,101,281.56-4,279,141.28-1,811,872.94

Finding the Fourth Proportional to 3,101,281.56, 4,279,141.28 and 1,811,872.94

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Solution

The fourth proportional to 3,101,281.56, 4,279,141.28 and 1,811,872.94 is: 2,500,018.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101,281.56 : 4,279,141.28 = 1,811,872.94 : x
  2. Step 2: Convert to fraction form
    3,101,281.56/4,279,141.28 = 1,811,872.94/x
  3. Step 3: Cross multiply
    3,101,281.56x = 4,279,141.28 × 1,811,872.94
  4. Step 4: Simplify right side
    3,101,281.56x = 7,753,260,261,213.89
  5. Step 5: Solve for x
    x = 7,753,260,261,213.89/3,101,281.56
  6. Step 6: Final answer
    x = 2,500,018.17

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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.