Home / 5,216,121.31-7,818,659.76-1,754,565.65

Finding the Fourth Proportional to 5,216,121.31, 7,818,659.76 and 1,754,565.65

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Solution

The fourth proportional to 5,216,121.31, 7,818,659.76 and 1,754,565.65 is: 2,629,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,121.31 : 7,818,659.76 = 1,754,565.65 : x
  2. Step 2: Convert to fraction form
    5,216,121.31/7,818,659.76 = 1,754,565.65/x
  3. Step 3: Cross multiply
    5,216,121.31x = 7,818,659.76 × 1,754,565.65
  4. Step 4: Simplify right side
    5,216,121.31x = 13,718,351,884,719.50
  5. Step 5: Solve for x
    x = 13,718,351,884,719.50/5,216,121.31
  6. Step 6: Final answer
    x = 2,629,990.96

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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.