Home / 2,639,408.80-3,642,426.48-1,432,184.80

Finding the Fourth Proportional to 2,639,408.80, 3,642,426.48 and 1,432,184.80

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Solution

The fourth proportional to 2,639,408.80, 3,642,426.48 and 1,432,184.80 is: 1,976,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,408.80 : 3,642,426.48 = 1,432,184.80 : x
  2. Step 2: Convert to fraction form
    2,639,408.80/3,642,426.48 = 1,432,184.80/x
  3. Step 3: Cross multiply
    2,639,408.80x = 3,642,426.48 × 1,432,184.80
  4. Step 4: Simplify right side
    2,639,408.80x = 5,216,627,839,773.50
  5. Step 5: Solve for x
    x = 5,216,627,839,773.50/2,639,408.80
  6. Step 6: Final answer
    x = 1,976,438.00

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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.