Home / 2,666,911.28-3,680,311.56-1,443,190.64

Finding the Fourth Proportional to 2,666,911.28, 3,680,311.56 and 1,443,190.64

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Solution

The fourth proportional to 2,666,911.28, 3,680,311.56 and 1,443,190.64 is: 1,991,589.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,911.28 : 3,680,311.56 = 1,443,190.64 : x
  2. Step 2: Convert to fraction form
    2,666,911.28/3,680,311.56 = 1,443,190.64/x
  3. Step 3: Cross multiply
    2,666,911.28x = 3,680,311.56 × 1,443,190.64
  4. Step 4: Simplify right side
    2,666,911.28x = 5,311,391,195,675.80
  5. Step 5: Solve for x
    x = 5,311,391,195,675.80/2,666,911.28
  6. Step 6: Final answer
    x = 1,991,589.01

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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.