Home / 3,911,366.60-5,398,018.76-2,192,819.26

Finding the Fourth Proportional to 3,911,366.60, 5,398,018.76 and 2,192,819.26

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Solution

The fourth proportional to 3,911,366.60, 5,398,018.76 and 2,192,819.26 is: 3,026,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,366.60 : 5,398,018.76 = 2,192,819.26 : x
  2. Step 2: Convert to fraction form
    3,911,366.60/5,398,018.76 = 2,192,819.26/x
  3. Step 3: Cross multiply
    3,911,366.60x = 5,398,018.76 × 2,192,819.26
  4. Step 4: Simplify right side
    3,911,366.60x = 11,836,879,502,769.32
  5. Step 5: Solve for x
    x = 11,836,879,502,769.32/3,911,366.60
  6. Step 6: Final answer
    x = 3,026,277.18

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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.