Home / 1,461,110.10-2,180,965.55-1,288,540.61

Finding the Fourth Proportional to 1,461,110.10, 2,180,965.55 and 1,288,540.61

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Solution

The fourth proportional to 1,461,110.10, 2,180,965.55 and 1,288,540.61 is: 1,923,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,110.10 : 2,180,965.55 = 1,288,540.61 : x
  2. Step 2: Convert to fraction form
    1,461,110.10/2,180,965.55 = 1,288,540.61/x
  3. Step 3: Cross multiply
    1,461,110.10x = 2,180,965.55 × 1,288,540.61
  4. Step 4: Simplify right side
    1,461,110.10x = 2,810,262,678,265.12
  5. Step 5: Solve for x
    x = 2,810,262,678,265.12/1,461,110.10
  6. Step 6: Final answer
    x = 1,923,375.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.