Home / 2,876,280.45-3,969,262.29-1,587,119.82

Finding the Fourth Proportional to 2,876,280.45, 3,969,262.29 and 1,587,119.82

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Solution

The fourth proportional to 2,876,280.45, 3,969,262.29 and 1,587,119.82 is: 2,190,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,280.45 : 3,969,262.29 = 1,587,119.82 : x
  2. Step 2: Convert to fraction form
    2,876,280.45/3,969,262.29 = 1,587,119.82/x
  3. Step 3: Cross multiply
    2,876,280.45x = 3,969,262.29 × 1,587,119.82
  4. Step 4: Simplify right side
    2,876,280.45x = 6,299,694,851,237.59
  5. Step 5: Solve for x
    x = 6,299,694,851,237.59/2,876,280.45
  6. Step 6: Final answer
    x = 2,190,222.74

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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.