Home / 2,772,079.15-4,158,118.73-1,921,773.55

Finding the Fourth Proportional to 2,772,079.15, 4,158,118.73 and 1,921,773.55

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Solution

The fourth proportional to 2,772,079.15, 4,158,118.73 and 1,921,773.55 is: 2,882,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,079.15 : 4,158,118.73 = 1,921,773.55 : x
  2. Step 2: Convert to fraction form
    2,772,079.15/4,158,118.73 = 1,921,773.55/x
  3. Step 3: Cross multiply
    2,772,079.15x = 4,158,118.73 × 1,921,773.55
  4. Step 4: Simplify right side
    2,772,079.15x = 7,990,962,593,073.59
  5. Step 5: Solve for x
    x = 7,990,962,593,073.59/2,772,079.15
  6. Step 6: Final answer
    x = 2,882,660.33

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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.