Home / 1,658,220.80-2,474,398.28-1,479,499.20

Finding the Fourth Proportional to 1,658,220.80, 2,474,398.28 and 1,479,499.20

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Solution

The fourth proportional to 1,658,220.80, 2,474,398.28 and 1,479,499.20 is: 2,207,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,220.80 : 2,474,398.28 = 1,479,499.20 : x
  2. Step 2: Convert to fraction form
    1,658,220.80/2,474,398.28 = 1,479,499.20/x
  3. Step 3: Cross multiply
    1,658,220.80x = 2,474,398.28 × 1,479,499.20
  4. Step 4: Simplify right side
    1,658,220.80x = 3,660,870,275,741.38
  5. Step 5: Solve for x
    x = 3,660,870,275,741.38/1,658,220.80
  6. Step 6: Final answer
    x = 2,207,709.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.