Home / 2,667,047.20-3,680,536.86-1,443,352.90

Finding the Fourth Proportional to 2,667,047.20, 3,680,536.86 and 1,443,352.90

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Solution

The fourth proportional to 2,667,047.20, 3,680,536.86 and 1,443,352.90 is: 1,991,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,047.20 : 3,680,536.86 = 1,443,352.90 : x
  2. Step 2: Convert to fraction form
    2,667,047.20/3,680,536.86 = 1,443,352.90/x
  3. Step 3: Cross multiply
    2,667,047.20x = 3,680,536.86 × 1,443,352.90
  4. Step 4: Simplify right side
    2,667,047.20x = 5,312,313,550,437.89
  5. Step 5: Solve for x
    x = 5,312,313,550,437.89/2,667,047.20
  6. Step 6: Final answer
    x = 1,991,833.35

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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.