Home / 3,868,638.62-5,338,769.66-2,126,498.24

Finding the Fourth Proportional to 3,868,638.62, 5,338,769.66 and 2,126,498.24

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Solution

The fourth proportional to 3,868,638.62, 5,338,769.66 and 2,126,498.24 is: 2,934,594.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,638.62 : 5,338,769.66 = 2,126,498.24 : x
  2. Step 2: Convert to fraction form
    3,868,638.62/5,338,769.66 = 2,126,498.24/x
  3. Step 3: Cross multiply
    3,868,638.62x = 5,338,769.66 × 2,126,498.24
  4. Step 4: Simplify right side
    3,868,638.62x = 11,352,884,285,755.40
  5. Step 5: Solve for x
    x = 11,352,884,285,755.40/3,868,638.62
  6. Step 6: Final answer
    x = 2,934,594.16

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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.