Home / 2,878,821.78-4,318,238.10-748,902.48

Finding the Fourth Proportional to 2,878,821.78, 4,318,238.10 and 748,902.48

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Solution

The fourth proportional to 2,878,821.78, 4,318,238.10 and 748,902.48 is: 1,123,355.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,821.78 : 4,318,238.10 = 748,902.48 : x
  2. Step 2: Convert to fraction form
    2,878,821.78/4,318,238.10 = 748,902.48/x
  3. Step 3: Cross multiply
    2,878,821.78x = 4,318,238.10 × 748,902.48
  4. Step 4: Simplify right side
    2,878,821.78x = 3,233,939,222,320.49
  5. Step 5: Solve for x
    x = 3,233,939,222,320.49/2,878,821.78
  6. Step 6: Final answer
    x = 1,123,355.13

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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.