Home / 2,179,704.80-3,269,168.40-1,379,554.40

Finding the Fourth Proportional to 2,179,704.80, 3,269,168.40 and 1,379,554.40

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Solution

The fourth proportional to 2,179,704.80, 3,269,168.40 and 1,379,554.40 is: 2,069,085.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,704.80 : 3,269,168.40 = 1,379,554.40 : x
  2. Step 2: Convert to fraction form
    2,179,704.80/3,269,168.40 = 1,379,554.40/x
  3. Step 3: Cross multiply
    2,179,704.80x = 3,269,168.40 × 1,379,554.40
  4. Step 4: Simplify right side
    2,179,704.80x = 4,509,995,650,560.96
  5. Step 5: Solve for x
    x = 4,509,995,650,560.96/2,179,704.80
  6. Step 6: Final answer
    x = 2,069,085.53

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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.