Home / 2,876,729.23-3,969,878.25-1,587,560.41

Finding the Fourth Proportional to 2,876,729.23, 3,969,878.25 and 1,587,560.41

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Solution

The fourth proportional to 2,876,729.23, 3,969,878.25 and 1,587,560.41 is: 2,190,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,729.23 : 3,969,878.25 = 1,587,560.41 : x
  2. Step 2: Convert to fraction form
    2,876,729.23/3,969,878.25 = 1,587,560.41/x
  3. Step 3: Cross multiply
    2,876,729.23x = 3,969,878.25 × 1,587,560.41
  4. Step 4: Simplify right side
    2,876,729.23x = 6,302,421,542,220.08
  5. Step 5: Solve for x
    x = 6,302,421,542,220.08/2,876,729.23
  6. Step 6: Final answer
    x = 2,190,828.90

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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.