Home / 2,279,108.85-3,418,669.06-931,271.46

Finding the Fourth Proportional to 2,279,108.85, 3,418,669.06 and 931,271.46

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Solution

The fourth proportional to 2,279,108.85, 3,418,669.06 and 931,271.46 is: 1,396,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,108.85 : 3,418,669.06 = 931,271.46 : x
  2. Step 2: Convert to fraction form
    2,279,108.85/3,418,669.06 = 931,271.46/x
  3. Step 3: Cross multiply
    2,279,108.85x = 3,418,669.06 × 931,271.46
  4. Step 4: Simplify right side
    2,279,108.85x = 3,183,708,926,763.03
  5. Step 5: Solve for x
    x = 3,183,708,926,763.03/2,279,108.85
  6. Step 6: Final answer
    x = 1,396,909.55

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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.