Home / 1,540,696.32-2,126,205.96-843,019

Finding the Fourth Proportional to 1,540,696.32, 2,126,205.96 and 843,019

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Solution

The fourth proportional to 1,540,696.32, 2,126,205.96 and 843,019 is: 1,163,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,696.32 : 2,126,205.96 = 843,019 : x
  2. Step 2: Convert to fraction form
    1,540,696.32/2,126,205.96 = 843,019/x
  3. Step 3: Cross multiply
    1,540,696.32x = 2,126,205.96 × 843,019
  4. Step 4: Simplify right side
    1,540,696.32x = 1,792,432,022,193.24
  5. Step 5: Solve for x
    x = 1,792,432,022,193.24/1,540,696.32
  6. Step 6: Final answer
    x = 1,163,390.86

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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.