Home / 2,772,064.15-4,158,096.23-1,921,758.55

Finding the Fourth Proportional to 2,772,064.15, 4,158,096.23 and 1,921,758.55

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Solution

The fourth proportional to 2,772,064.15, 4,158,096.23 and 1,921,758.55 is: 2,882,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,064.15 : 4,158,096.23 = 1,921,758.55 : x
  2. Step 2: Convert to fraction form
    2,772,064.15/4,158,096.23 = 1,921,758.55/x
  3. Step 3: Cross multiply
    2,772,064.15x = 4,158,096.23 × 1,921,758.55
  4. Step 4: Simplify right side
    2,772,064.15x = 7,990,856,981,725.27
  5. Step 5: Solve for x
    x = 7,990,856,981,725.27/2,772,064.15
  6. Step 6: Final answer
    x = 2,882,637.83

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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.