Home / 3,511,968.32-5,267,951.20-987,623.52

Finding the Fourth Proportional to 3,511,968.32, 5,267,951.20 and 987,623.52

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Solution

The fourth proportional to 3,511,968.32, 5,267,951.20 and 987,623.52 is: 1,481,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,968.32 : 5,267,951.20 = 987,623.52 : x
  2. Step 2: Convert to fraction form
    3,511,968.32/5,267,951.20 = 987,623.52/x
  3. Step 3: Cross multiply
    3,511,968.32x = 5,267,951.20 × 987,623.52
  4. Step 4: Simplify right side
    3,511,968.32x = 5,202,752,507,332.22
  5. Step 5: Solve for x
    x = 5,202,752,507,332.22/3,511,968.32
  6. Step 6: Final answer
    x = 1,481,434.92

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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.