Home / 2,652,177.12-3,979,441.80-1,389,704.64

Finding the Fourth Proportional to 2,652,177.12, 3,979,441.80 and 1,389,704.64

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Solution

The fourth proportional to 2,652,177.12, 3,979,441.80 and 1,389,704.64 is: 2,085,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,177.12 : 3,979,441.80 = 1,389,704.64 : x
  2. Step 2: Convert to fraction form
    2,652,177.12/3,979,441.80 = 1,389,704.64/x
  3. Step 3: Cross multiply
    2,652,177.12x = 3,979,441.80 × 1,389,704.64
  4. Step 4: Simplify right side
    2,652,177.12x = 5,530,248,734,069.95
  5. Step 5: Solve for x
    x = 5,530,248,734,069.95/2,652,177.12
  6. Step 6: Final answer
    x = 2,085,173.23

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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.