Home / 2,758,375.21-4,137,521.28-1,240,986.61

Finding the Fourth Proportional to 2,758,375.21, 4,137,521.28 and 1,240,986.61

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Solution

The fourth proportional to 2,758,375.21, 4,137,521.28 and 1,240,986.61 is: 1,861,461.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,375.21 : 4,137,521.28 = 1,240,986.61 : x
  2. Step 2: Convert to fraction form
    2,758,375.21/4,137,521.28 = 1,240,986.61/x
  3. Step 3: Cross multiply
    2,758,375.21x = 4,137,521.28 × 1,240,986.61
  4. Step 4: Simplify right side
    2,758,375.21x = 5,134,608,507,070.06
  5. Step 5: Solve for x
    x = 5,134,608,507,070.06/2,758,375.21
  6. Step 6: Final answer
    x = 1,861,461.23

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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.