Home / 2,079,040.15-3,118,560.23-1,281,222.55

Finding the Fourth Proportional to 2,079,040.15, 3,118,560.23 and 1,281,222.55

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Solution

The fourth proportional to 2,079,040.15, 3,118,560.23 and 1,281,222.55 is: 1,921,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,040.15 : 3,118,560.23 = 1,281,222.55 : x
  2. Step 2: Convert to fraction form
    2,079,040.15/3,118,560.23 = 1,281,222.55/x
  3. Step 3: Cross multiply
    2,079,040.15x = 3,118,560.23 × 1,281,222.55
  4. Step 4: Simplify right side
    2,079,040.15x = 3,995,569,683,803.07
  5. Step 5: Solve for x
    x = 3,995,569,683,803.07/2,079,040.15
  6. Step 6: Final answer
    x = 1,921,833.83

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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.