Home / 2,840,255.55-3,919,583.86-1,551,133.87

Finding the Fourth Proportional to 2,840,255.55, 3,919,583.86 and 1,551,133.87

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Solution

The fourth proportional to 2,840,255.55, 3,919,583.86 and 1,551,133.87 is: 2,140,581.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,255.55 : 3,919,583.86 = 1,551,133.87 : x
  2. Step 2: Convert to fraction form
    2,840,255.55/3,919,583.86 = 1,551,133.87/x
  3. Step 3: Cross multiply
    2,840,255.55x = 3,919,583.86 × 1,551,133.87
  4. Step 4: Simplify right side
    2,840,255.55x = 6,079,799,267,874.54
  5. Step 5: Solve for x
    x = 6,079,799,267,874.54/2,840,255.55
  6. Step 6: Final answer
    x = 2,140,581.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.