Home / 5,718,139.29-7,891,157.03-3,139,928.73

Finding the Fourth Proportional to 5,718,139.29, 7,891,157.03 and 3,139,928.73

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Solution

The fourth proportional to 5,718,139.29, 7,891,157.03 and 3,139,928.73 is: 4,333,170.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718,139.29 : 7,891,157.03 = 3,139,928.73 : x
  2. Step 2: Convert to fraction form
    5,718,139.29/7,891,157.03 = 3,139,928.73/x
  3. Step 3: Cross multiply
    5,718,139.29x = 7,891,157.03 × 3,139,928.73
  4. Step 4: Simplify right side
    5,718,139.29x = 24,777,670,655,738.83
  5. Step 5: Solve for x
    x = 24,777,670,655,738.83/5,718,139.29
  6. Step 6: Final answer
    x = 4,333,170.18

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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.