Home / 2,039,877.20-3,059,815.80-920,133.20

Finding the Fourth Proportional to 2,039,877.20, 3,059,815.80 and 920,133.20

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Solution

The fourth proportional to 2,039,877.20, 3,059,815.80 and 920,133.20 is: 1,380,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,877.20 : 3,059,815.80 = 920,133.20 : x
  2. Step 2: Convert to fraction form
    2,039,877.20/3,059,815.80 = 920,133.20/x
  3. Step 3: Cross multiply
    2,039,877.20x = 3,059,815.80 × 920,133.20
  4. Step 4: Simplify right side
    2,039,877.20x = 2,815,438,103,464.56
  5. Step 5: Solve for x
    x = 2,815,438,103,464.56/2,039,877.20
  6. Step 6: Final answer
    x = 1,380,199.80

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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.