Home / 2,639,232.80-3,642,183.60-1,432,008.80

Finding the Fourth Proportional to 2,639,232.80, 3,642,183.60 and 1,432,008.80

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Solution

The fourth proportional to 2,639,232.80, 3,642,183.60 and 1,432,008.80 is: 1,976,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,232.80 : 3,642,183.60 = 1,432,008.80 : x
  2. Step 2: Convert to fraction form
    2,639,232.80/3,642,183.60 = 1,432,008.80/x
  3. Step 3: Cross multiply
    2,639,232.80x = 3,642,183.60 × 1,432,008.80
  4. Step 4: Simplify right side
    2,639,232.80x = 5,215,638,966,415.68
  5. Step 5: Solve for x
    x = 5,215,638,966,415.68/2,639,232.80
  6. Step 6: Final answer
    x = 1,976,195.11

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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.