Home / 3,979,760.80-5,968,474.80-1,849,331.20

Finding the Fourth Proportional to 3,979,760.80, 5,968,474.80 and 1,849,331.20

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Solution

The fourth proportional to 3,979,760.80, 5,968,474.80 and 1,849,331.20 is: 2,773,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,760.80 : 5,968,474.80 = 1,849,331.20 : x
  2. Step 2: Convert to fraction form
    3,979,760.80/5,968,474.80 = 1,849,331.20/x
  3. Step 3: Cross multiply
    3,979,760.80x = 5,968,474.80 × 1,849,331.20
  4. Step 4: Simplify right side
    3,979,760.80x = 11,037,686,664,053.76
  5. Step 5: Solve for x
    x = 11,037,686,664,053.76/3,979,760.80
  6. Step 6: Final answer
    x = 2,773,454.79

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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.