Home / 3,176,921.88-4,384,789.83-1,887,514.02

Finding the Fourth Proportional to 3,176,921.88, 4,384,789.83 and 1,887,514.02

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Solution

The fourth proportional to 3,176,921.88, 4,384,789.83 and 1,887,514.02 is: 2,605,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,921.88 : 4,384,789.83 = 1,887,514.02 : x
  2. Step 2: Convert to fraction form
    3,176,921.88/4,384,789.83 = 1,887,514.02/x
  3. Step 3: Cross multiply
    3,176,921.88x = 4,384,789.83 × 1,887,514.02
  4. Step 4: Simplify right side
    3,176,921.88x = 8,276,352,278,878.42
  5. Step 5: Solve for x
    x = 8,276,352,278,878.42/3,176,921.88
  6. Step 6: Final answer
    x = 2,605,148.19

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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.