Home / 2,319,381.24-3,200,772.06-1,286,907.72

Finding the Fourth Proportional to 2,319,381.24, 3,200,772.06 and 1,286,907.72

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Solution

The fourth proportional to 2,319,381.24, 3,200,772.06 and 1,286,907.72 is: 1,775,947.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,381.24 : 3,200,772.06 = 1,286,907.72 : x
  2. Step 2: Convert to fraction form
    2,319,381.24/3,200,772.06 = 1,286,907.72/x
  3. Step 3: Cross multiply
    2,319,381.24x = 3,200,772.06 × 1,286,907.72
  4. Step 4: Simplify right side
    2,319,381.24x = 4,119,098,273,974.30
  5. Step 5: Solve for x
    x = 4,119,098,273,974.30/2,319,381.24
  6. Step 6: Final answer
    x = 1,775,947.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.