Home / 3,776,680.10-5,666,694.42-1,979,136.20

Finding the Fourth Proportional to 3,776,680.10, 5,666,694.42 and 1,979,136.20

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Solution

The fourth proportional to 3,776,680.10, 5,666,694.42 and 1,979,136.20 is: 2,969,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,680.10 : 5,666,694.42 = 1,979,136.20 : x
  2. Step 2: Convert to fraction form
    3,776,680.10/5,666,694.42 = 1,979,136.20/x
  3. Step 3: Cross multiply
    3,776,680.10x = 5,666,694.42 × 1,979,136.20
  4. Step 4: Simplify right side
    3,776,680.10x = 11,215,160,060,960.00
  5. Step 5: Solve for x
    x = 11,215,160,060,960.00/3,776,680.10
  6. Step 6: Final answer
    x = 2,969,581.69

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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.