Home / 4,921,251.12-7,382,262.78-1,326,963.60

Finding the Fourth Proportional to 4,921,251.12, 7,382,262.78 and 1,326,963.60

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Solution

The fourth proportional to 4,921,251.12, 7,382,262.78 and 1,326,963.60 is: 1,990,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,251.12 : 7,382,262.78 = 1,326,963.60 : x
  2. Step 2: Convert to fraction form
    4,921,251.12/7,382,262.78 = 1,326,963.60/x
  3. Step 3: Cross multiply
    4,921,251.12x = 7,382,262.78 × 1,326,963.60
  4. Step 4: Simplify right side
    4,921,251.12x = 9,795,993,994,694.81
  5. Step 5: Solve for x
    x = 9,795,993,994,694.81/4,921,251.12
  6. Step 6: Final answer
    x = 1,990,549.51

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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.