Home / 2,639,253.80-3,642,212.58-1,432,029.80

Finding the Fourth Proportional to 2,639,253.80, 3,642,212.58 and 1,432,029.80

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Solution

The fourth proportional to 2,639,253.80, 3,642,212.58 and 1,432,029.80 is: 1,976,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,253.80 : 3,642,212.58 = 1,432,029.80 : x
  2. Step 2: Convert to fraction form
    2,639,253.80/3,642,212.58 = 1,432,029.80/x
  3. Step 3: Cross multiply
    2,639,253.80x = 3,642,212.58 × 1,432,029.80
  4. Step 4: Simplify right side
    2,639,253.80x = 5,215,756,952,494.88
  5. Step 5: Solve for x
    x = 5,215,756,952,494.88/2,639,253.80
  6. Step 6: Final answer
    x = 1,976,224.10

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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.