Home / 1,518,907.30-2,275,736.55-1,282,711.30

Finding the Fourth Proportional to 1,518,907.30, 2,275,736.55 and 1,282,711.30

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Solution

The fourth proportional to 1,518,907.30, 2,275,736.55 and 1,282,711.30 is: 1,921,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,907.30 : 2,275,736.55 = 1,282,711.30 : x
  2. Step 2: Convert to fraction form
    1,518,907.30/2,275,736.55 = 1,282,711.30/x
  3. Step 3: Cross multiply
    1,518,907.30x = 2,275,736.55 × 1,282,711.30
  4. Step 4: Simplify right side
    1,518,907.30x = 2,919,112,988,508.01
  5. Step 5: Solve for x
    x = 2,919,112,988,508.01/1,518,907.30
  6. Step 6: Final answer
    x = 1,921,850.65

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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.