Home / 2,840,930.80-4,264,020.60-1,422,005.20

Finding the Fourth Proportional to 2,840,930.80, 4,264,020.60 and 1,422,005.20

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Solution

The fourth proportional to 2,840,930.80, 4,264,020.60 and 1,422,005.20 is: 2,134,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,930.80 : 4,264,020.60 = 1,422,005.20 : x
  2. Step 2: Convert to fraction form
    2,840,930.80/4,264,020.60 = 1,422,005.20/x
  3. Step 3: Cross multiply
    2,840,930.80x = 4,264,020.60 × 1,422,005.20
  4. Step 4: Simplify right side
    2,840,930.80x = 6,063,459,466,107.12
  5. Step 5: Solve for x
    x = 6,063,459,466,107.12/2,840,930.80
  6. Step 6: Final answer
    x = 2,134,321.42

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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.