Home / 2,479,620.80-3,719,776.80-1,059,665.60

Finding the Fourth Proportional to 2,479,620.80, 3,719,776.80 and 1,059,665.60

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Solution

The fourth proportional to 2,479,620.80, 3,719,776.80 and 1,059,665.60 is: 1,589,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,620.80 : 3,719,776.80 = 1,059,665.60 : x
  2. Step 2: Convert to fraction form
    2,479,620.80/3,719,776.80 = 1,059,665.60/x
  3. Step 3: Cross multiply
    2,479,620.80x = 3,719,776.80 × 1,059,665.60
  4. Step 4: Simplify right side
    2,479,620.80x = 3,941,719,514,638.08
  5. Step 5: Solve for x
    x = 3,941,719,514,638.08/2,479,620.80
  6. Step 6: Final answer
    x = 1,589,646.09

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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.