Home / 2,195,872.76-3,029,613.90-1,228,849.40

Finding the Fourth Proportional to 2,195,872.76, 3,029,613.90 and 1,228,849.40

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Solution

The fourth proportional to 2,195,872.76, 3,029,613.90 and 1,228,849.40 is: 1,695,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,872.76 : 3,029,613.90 = 1,228,849.40 : x
  2. Step 2: Convert to fraction form
    2,195,872.76/3,029,613.90 = 1,228,849.40/x
  3. Step 3: Cross multiply
    2,195,872.76x = 3,029,613.90 × 1,228,849.40
  4. Step 4: Simplify right side
    2,195,872.76x = 3,722,939,223,246.66
  5. Step 5: Solve for x
    x = 3,722,939,223,246.66/2,195,872.76
  6. Step 6: Final answer
    x = 1,695,425.75

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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.