Home / 2,857,233.27-4,287,052.25-1,778,648.61

Finding the Fourth Proportional to 2,857,233.27, 4,287,052.25 and 1,778,648.61

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Solution

The fourth proportional to 2,857,233.27, 4,287,052.25 and 1,778,648.61 is: 2,668,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,233.27 : 4,287,052.25 = 1,778,648.61 : x
  2. Step 2: Convert to fraction form
    2,857,233.27/4,287,052.25 = 1,778,648.61/x
  3. Step 3: Cross multiply
    2,857,233.27x = 4,287,052.25 × 1,778,648.61
  4. Step 4: Simplify right side
    2,857,233.27x = 7,625,159,516,566.63
  5. Step 5: Solve for x
    x = 7,625,159,516,566.63/2,857,233.27
  6. Step 6: Final answer
    x = 2,668,721.38

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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.