Home / 2,179,702.30-3,269,164.65-1,379,551.90

Finding the Fourth Proportional to 2,179,702.30, 3,269,164.65 and 1,379,551.90

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Solution

The fourth proportional to 2,179,702.30, 3,269,164.65 and 1,379,551.90 is: 2,069,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,702.30 : 3,269,164.65 = 1,379,551.90 : x
  2. Step 2: Convert to fraction form
    2,179,702.30/3,269,164.65 = 1,379,551.90/x
  3. Step 3: Cross multiply
    2,179,702.30x = 3,269,164.65 × 1,379,551.90
  4. Step 4: Simplify right side
    2,179,702.30x = 4,509,982,304,320.34
  5. Step 5: Solve for x
    x = 4,509,982,304,320.34/2,179,702.30
  6. Step 6: Final answer
    x = 2,069,081.78

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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.