Home / 2,251,853.59-3,107,543.85-1,219,339.54

Finding the Fourth Proportional to 2,251,853.59, 3,107,543.85 and 1,219,339.54

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Solution

The fourth proportional to 2,251,853.59, 3,107,543.85 and 1,219,339.54 is: 1,682,680.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251,853.59 : 3,107,543.85 = 1,219,339.54 : x
  2. Step 2: Convert to fraction form
    2,251,853.59/3,107,543.85 = 1,219,339.54/x
  3. Step 3: Cross multiply
    2,251,853.59x = 3,107,543.85 × 1,219,339.54
  4. Step 4: Simplify right side
    2,251,853.59x = 3,789,151,080,819.97
  5. Step 5: Solve for x
    x = 3,789,151,080,819.97/2,251,853.59
  6. Step 6: Final answer
    x = 1,682,680.93

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1.5x scale

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.