Home / 2,257,514.16-3,386,788.52-978,336.40

Finding the Fourth Proportional to 2,257,514.16, 3,386,788.52 and 978,336.40

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Solution

The fourth proportional to 2,257,514.16, 3,386,788.52 and 978,336.40 is: 1,467,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257,514.16 : 3,386,788.52 = 978,336.40 : x
  2. Step 2: Convert to fraction form
    2,257,514.16/3,386,788.52 = 978,336.40/x
  3. Step 3: Cross multiply
    2,257,514.16x = 3,386,788.52 × 978,336.40
  4. Step 4: Simplify right side
    2,257,514.16x = 3,313,418,488,218.13
  5. Step 5: Solve for x
    x = 3,313,418,488,218.13/2,257,514.16
  6. Step 6: Final answer
    x = 1,467,728.77

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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.