Home / 2,928,969.20-4,394,116.29-1,581,102.88

Finding the Fourth Proportional to 2,928,969.20, 4,394,116.29 and 1,581,102.88

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Solution

The fourth proportional to 2,928,969.20, 4,394,116.29 and 1,581,102.88 is: 2,372,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,969.20 : 4,394,116.29 = 1,581,102.88 : x
  2. Step 2: Convert to fraction form
    2,928,969.20/4,394,116.29 = 1,581,102.88/x
  3. Step 3: Cross multiply
    2,928,969.20x = 4,394,116.29 × 1,581,102.88
  4. Step 4: Simplify right side
    2,928,969.20x = 6,947,549,921,173.92
  5. Step 5: Solve for x
    x = 6,947,549,921,173.92/2,928,969.20
  6. Step 6: Final answer
    x = 2,372,011.94

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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.