Home / 3,780,011.10-5,670,016.65-2,079,399.90

Finding the Fourth Proportional to 3,780,011.10, 5,670,016.65 and 2,079,399.90

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Solution

The fourth proportional to 3,780,011.10, 5,670,016.65 and 2,079,399.90 is: 3,119,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,011.10 : 5,670,016.65 = 2,079,399.90 : x
  2. Step 2: Convert to fraction form
    3,780,011.10/5,670,016.65 = 2,079,399.90/x
  3. Step 3: Cross multiply
    3,780,011.10x = 5,670,016.65 × 2,079,399.90
  4. Step 4: Simplify right side
    3,780,011.10x = 11,790,232,055,008.34
  5. Step 5: Solve for x
    x = 11,790,232,055,008.34/3,780,011.10
  6. Step 6: Final answer
    x = 3,119,099.85

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Similar ratio
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1.5x scale

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.