Home / 3,019,686.07-4,529,529.11-2,720,154.55

Finding the Fourth Proportional to 3,019,686.07, 4,529,529.11 and 2,720,154.55

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Solution

The fourth proportional to 3,019,686.07, 4,529,529.11 and 2,720,154.55 is: 4,080,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,686.07 : 4,529,529.11 = 2,720,154.55 : x
  2. Step 2: Convert to fraction form
    3,019,686.07/4,529,529.11 = 2,720,154.55/x
  3. Step 3: Cross multiply
    3,019,686.07x = 4,529,529.11 × 2,720,154.55
  4. Step 4: Simplify right side
    3,019,686.07x = 12,321,019,217,923.95
  5. Step 5: Solve for x
    x = 12,321,019,217,923.95/3,019,686.07
  6. Step 6: Final answer
    x = 4,080,231.83

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Similar ratio
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1.5x scale

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.