Home / 3,685,444.92-5,086,087.20-2,158,044.12

Finding the Fourth Proportional to 3,685,444.92, 5,086,087.20 and 2,158,044.12

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Solution

The fourth proportional to 3,685,444.92, 5,086,087.20 and 2,158,044.12 is: 2,978,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685,444.92 : 5,086,087.20 = 2,158,044.12 : x
  2. Step 2: Convert to fraction form
    3,685,444.92/5,086,087.20 = 2,158,044.12/x
  3. Step 3: Cross multiply
    3,685,444.92x = 5,086,087.20 × 2,158,044.12
  4. Step 4: Simplify right side
    3,685,444.92x = 10,976,000,575,767.27
  5. Step 5: Solve for x
    x = 10,976,000,575,767.27/3,685,444.92
  6. Step 6: Final answer
    x = 2,978,202.31

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1.5x scale

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.