Home / 3,418,580.57-5,125,977.83-1,398,243.21

Finding the Fourth Proportional to 3,418,580.57, 5,125,977.83 and 1,398,243.21

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Solution

The fourth proportional to 3,418,580.57, 5,125,977.83 and 1,398,243.21 is: 2,096,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,580.57 : 5,125,977.83 = 1,398,243.21 : x
  2. Step 2: Convert to fraction form
    3,418,580.57/5,125,977.83 = 1,398,243.21/x
  3. Step 3: Cross multiply
    3,418,580.57x = 5,125,977.83 × 1,398,243.21
  4. Step 4: Simplify right side
    3,418,580.57x = 7,167,363,718,999.24
  5. Step 5: Solve for x
    x = 7,167,363,718,999.24/3,418,580.57
  6. Step 6: Final answer
    x = 2,096,590.55

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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.