Home / 3,511,807.31-5,265,290.69-1,382,135.87

Finding the Fourth Proportional to 3,511,807.31, 5,265,290.69 and 1,382,135.87

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Solution

The fourth proportional to 3,511,807.31, 5,265,290.69 and 1,382,135.87 is: 2,072,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,807.31 : 5,265,290.69 = 1,382,135.87 : x
  2. Step 2: Convert to fraction form
    3,511,807.31/5,265,290.69 = 1,382,135.87/x
  3. Step 3: Cross multiply
    3,511,807.31x = 5,265,290.69 × 1,382,135.87
  4. Step 4: Simplify right side
    3,511,807.31x = 7,277,347,140,061.61
  5. Step 5: Solve for x
    x = 7,277,347,140,061.61/3,511,807.31
  6. Step 6: Final answer
    x = 2,072,251.26

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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.