Home / 2,101,169.64-3,151,818.18-821,726.04

Finding the Fourth Proportional to 2,101,169.64, 3,151,818.18 and 821,726.04

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Solution

The fourth proportional to 2,101,169.64, 3,151,818.18 and 821,726.04 is: 1,232,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,169.64 : 3,151,818.18 = 821,726.04 : x
  2. Step 2: Convert to fraction form
    2,101,169.64/3,151,818.18 = 821,726.04/x
  3. Step 3: Cross multiply
    2,101,169.64x = 3,151,818.18 × 821,726.04
  4. Step 4: Simplify right side
    2,101,169.64x = 2,589,931,071,851.41
  5. Step 5: Solve for x
    x = 2,589,931,071,851.41/2,101,169.64
  6. Step 6: Final answer
    x = 1,232,613.98

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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.