Home / 2,815,385.12-4,222,650-922,084.64

Finding the Fourth Proportional to 2,815,385.12, 4,222,650 and 922,084.64

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Solution

The fourth proportional to 2,815,385.12, 4,222,650 and 922,084.64 is: 1,382,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,385.12 : 4,222,650 = 922,084.64 : x
  2. Step 2: Convert to fraction form
    2,815,385.12/4,222,650 = 922,084.64/x
  3. Step 3: Cross multiply
    2,815,385.12x = 4,222,650 × 922,084.64
  4. Step 4: Simplify right side
    2,815,385.12x = 3,893,640,705,096
  5. Step 5: Solve for x
    x = 3,893,640,705,096/2,815,385.12
  6. Step 6: Final answer
    x = 1,382,986.89

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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.