Home / 2,176,222.80-3,264,334.20-756,422.40

Finding the Fourth Proportional to 2,176,222.80, 3,264,334.20 and 756,422.40

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Solution

The fourth proportional to 2,176,222.80, 3,264,334.20 and 756,422.40 is: 1,134,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,222.80 : 3,264,334.20 = 756,422.40 : x
  2. Step 2: Convert to fraction form
    2,176,222.80/3,264,334.20 = 756,422.40/x
  3. Step 3: Cross multiply
    2,176,222.80x = 3,264,334.20 × 756,422.40
  4. Step 4: Simplify right side
    2,176,222.80x = 2,469,215,509,966.08
  5. Step 5: Solve for x
    x = 2,469,215,509,966.08/2,176,222.80
  6. Step 6: Final answer
    x = 1,134,633.60

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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.