Home / 6,748,867.28-10,121,217.80-1,956,909.76

Finding the Fourth Proportional to 6,748,867.28, 10,121,217.80 and 1,956,909.76

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Solution

The fourth proportional to 6,748,867.28, 10,121,217.80 and 1,956,909.76 is: 2,934,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748,867.28 : 10,121,217.80 = 1,956,909.76 : x
  2. Step 2: Convert to fraction form
    6,748,867.28/10,121,217.80 = 1,956,909.76/x
  3. Step 3: Cross multiply
    6,748,867.28x = 10,121,217.80 × 1,956,909.76
  4. Step 4: Simplify right side
    6,748,867.28x = 19,806,309,895,905.73
  5. Step 5: Solve for x
    x = 19,806,309,895,905.73/6,748,867.28
  6. Step 6: Final answer
    x = 2,934,760.62

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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.