Home / 3,840,120.80-5,760,181.20-2,070,648.80

Finding the Fourth Proportional to 3,840,120.80, 5,760,181.20 and 2,070,648.80

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Solution

The fourth proportional to 3,840,120.80, 5,760,181.20 and 2,070,648.80 is: 3,105,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,120.80 : 5,760,181.20 = 2,070,648.80 : x
  2. Step 2: Convert to fraction form
    3,840,120.80/5,760,181.20 = 2,070,648.80/x
  3. Step 3: Cross multiply
    3,840,120.80x = 5,760,181.20 × 2,070,648.80
  4. Step 4: Simplify right side
    3,840,120.80x = 11,927,312,289,562.56
  5. Step 5: Solve for x
    x = 11,927,312,289,562.56/3,840,120.80
  6. Step 6: Final answer
    x = 3,105,973.20

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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.