Home / 2,088,015.70-3,132,023.55-668,118.10

Finding the Fourth Proportional to 2,088,015.70, 3,132,023.55 and 668,118.10

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Solution

The fourth proportional to 2,088,015.70, 3,132,023.55 and 668,118.10 is: 1,002,177.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,015.70 : 3,132,023.55 = 668,118.10 : x
  2. Step 2: Convert to fraction form
    2,088,015.70/3,132,023.55 = 668,118.10/x
  3. Step 3: Cross multiply
    2,088,015.70x = 3,132,023.55 × 668,118.10
  4. Step 4: Simplify right side
    2,088,015.70x = 2,092,561,623,381.26
  5. Step 5: Solve for x
    x = 2,092,561,623,381.26/2,088,015.70
  6. Step 6: Final answer
    x = 1,002,177.15

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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.