Home / 5,115,103.92-7,058,340.54-2,823,116.85

Finding the Fourth Proportional to 5,115,103.92, 7,058,340.54 and 2,823,116.85

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Solution

The fourth proportional to 5,115,103.92, 7,058,340.54 and 2,823,116.85 is: 3,895,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,103.92 : 7,058,340.54 = 2,823,116.85 : x
  2. Step 2: Convert to fraction form
    5,115,103.92/7,058,340.54 = 2,823,116.85/x
  3. Step 3: Cross multiply
    5,115,103.92x = 7,058,340.54 × 2,823,116.85
  4. Step 4: Simplify right side
    5,115,103.92x = 19,926,520,111,512.10
  5. Step 5: Solve for x
    x = 19,926,520,111,512.10/5,115,103.92
  6. Step 6: Final answer
    x = 3,895,623.71

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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.