Home / 2,154,270.78-3,228,658.65-1,143,876.78

Finding the Fourth Proportional to 2,154,270.78, 3,228,658.65 and 1,143,876.78

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Solution

The fourth proportional to 2,154,270.78, 3,228,658.65 and 1,143,876.78 is: 1,714,356.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,270.78 : 3,228,658.65 = 1,143,876.78 : x
  2. Step 2: Convert to fraction form
    2,154,270.78/3,228,658.65 = 1,143,876.78/x
  3. Step 3: Cross multiply
    2,154,270.78x = 3,228,658.65 × 1,143,876.78
  4. Step 4: Simplify right side
    2,154,270.78x = 3,693,187,660,281.15
  5. Step 5: Solve for x
    x = 3,693,187,660,281.15/2,154,270.78
  6. Step 6: Final answer
    x = 1,714,356.29

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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.