Home / 2,876,406.64-3,969,262.68-1,587,257.20

Finding the Fourth Proportional to 2,876,406.64, 3,969,262.68 and 1,587,257.20

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Solution

The fourth proportional to 2,876,406.64, 3,969,262.68 and 1,587,257.20 is: 2,190,316.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,406.64 : 3,969,262.68 = 1,587,257.20 : x
  2. Step 2: Convert to fraction form
    2,876,406.64/3,969,262.68 = 1,587,257.20/x
  3. Step 3: Cross multiply
    2,876,406.64x = 3,969,262.68 × 1,587,257.20
  4. Step 4: Simplify right side
    2,876,406.64x = 6,300,240,767,521.30
  5. Step 5: Solve for x
    x = 6,300,240,767,521.30/2,876,406.64
  6. Step 6: Final answer
    x = 2,190,316.45

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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.