Home / 1,718,356.20-2,577,534.30-1,321,002.60

Finding the Fourth Proportional to 1,718,356.20, 2,577,534.30 and 1,321,002.60

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Solution

The fourth proportional to 1,718,356.20, 2,577,534.30 and 1,321,002.60 is: 1,981,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,718,356.20 : 2,577,534.30 = 1,321,002.60 : x
  2. Step 2: Convert to fraction form
    1,718,356.20/2,577,534.30 = 1,321,002.60/x
  3. Step 3: Cross multiply
    1,718,356.20x = 2,577,534.30 × 1,321,002.60
  4. Step 4: Simplify right side
    1,718,356.20x = 3,404,929,511,889.18
  5. Step 5: Solve for x
    x = 3,404,929,511,889.18/1,718,356.20
  6. Step 6: Final answer
    x = 1,981,503.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.