Home / 2,078,234.70-3,115,624.05-881,076.30

Finding the Fourth Proportional to 2,078,234.70, 3,115,624.05 and 881,076.30

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Solution

The fourth proportional to 2,078,234.70, 3,115,624.05 and 881,076.30 is: 1,320,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,234.70 : 3,115,624.05 = 881,076.30 : x
  2. Step 2: Convert to fraction form
    2,078,234.70/3,115,624.05 = 881,076.30/x
  3. Step 3: Cross multiply
    2,078,234.70x = 3,115,624.05 × 881,076.30
  4. Step 4: Simplify right side
    2,078,234.70x = 2,745,102,510,165.02
  5. Step 5: Solve for x
    x = 2,745,102,510,165.02/2,078,234.70
  6. Step 6: Final answer
    x = 1,320,881.86

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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.