Home / 3,630,813.22-5,010,321.72-1,999,155.70

Finding the Fourth Proportional to 3,630,813.22, 5,010,321.72 and 1,999,155.70

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Solution

The fourth proportional to 3,630,813.22, 5,010,321.72 and 1,999,155.70 is: 2,758,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630,813.22 : 5,010,321.72 = 1,999,155.70 : x
  2. Step 2: Convert to fraction form
    3,630,813.22/5,010,321.72 = 1,999,155.70/x
  3. Step 3: Cross multiply
    3,630,813.22x = 5,010,321.72 × 1,999,155.70
  4. Step 4: Simplify right side
    3,630,813.22x = 10,016,413,225,371.80
  5. Step 5: Solve for x
    x = 10,016,413,225,371.80/3,630,813.22
  6. Step 6: Final answer
    x = 2,758,724.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.