Home / 2,614,904.35-3,922,581.90-721,645.78

Finding the Fourth Proportional to 2,614,904.35, 3,922,581.90 and 721,645.78

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Solution

The fourth proportional to 2,614,904.35, 3,922,581.90 and 721,645.78 is: 1,082,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614,904.35 : 3,922,581.90 = 721,645.78 : x
  2. Step 2: Convert to fraction form
    2,614,904.35/3,922,581.90 = 721,645.78/x
  3. Step 3: Cross multiply
    2,614,904.35x = 3,922,581.90 × 721,645.78
  4. Step 4: Simplify right side
    2,614,904.35x = 2,830,714,674,839.38
  5. Step 5: Solve for x
    x = 2,830,714,674,839.38/2,614,904.35
  6. Step 6: Final answer
    x = 1,082,530.87

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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.