Home / 2,876,688.49-3,969,822.00-1,587,519.65

Finding the Fourth Proportional to 2,876,688.49, 3,969,822.00 and 1,587,519.65

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Solution

The fourth proportional to 2,876,688.49, 3,969,822.00 and 1,587,519.65 is: 2,190,772.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,688.49 : 3,969,822.00 = 1,587,519.65 : x
  2. Step 2: Convert to fraction form
    2,876,688.49/3,969,822.00 = 1,587,519.65/x
  3. Step 3: Cross multiply
    2,876,688.49x = 3,969,822.00 × 1,587,519.65
  4. Step 4: Simplify right side
    2,876,688.49x = 6,302,170,421,086.82
  5. Step 5: Solve for x
    x = 6,302,170,421,086.82/2,876,688.49
  6. Step 6: Final answer
    x = 2,190,772.63

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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.