Home / 2,776,581.90-4,162,108.05-1,278,060.30

Finding the Fourth Proportional to 2,776,581.90, 4,162,108.05 and 1,278,060.30

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Solution

The fourth proportional to 2,776,581.90, 4,162,108.05 and 1,278,060.30 is: 1,915,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,581.90 : 4,162,108.05 = 1,278,060.30 : x
  2. Step 2: Convert to fraction form
    2,776,581.90/4,162,108.05 = 1,278,060.30/x
  3. Step 3: Cross multiply
    2,776,581.90x = 4,162,108.05 × 1,278,060.30
  4. Step 4: Simplify right side
    2,776,581.90x = 5,319,425,063,015.42
  5. Step 5: Solve for x
    x = 5,319,425,063,015.42/2,776,581.90
  6. Step 6: Final answer
    x = 1,915,817.81

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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.