Home / 2,999,871.20-4,139,766.92-1,641,716.96

Finding the Fourth Proportional to 2,999,871.20, 4,139,766.92 and 1,641,716.96

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Solution

The fourth proportional to 2,999,871.20, 4,139,766.92 and 1,641,716.96 is: 2,265,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,871.20 : 4,139,766.92 = 1,641,716.96 : x
  2. Step 2: Convert to fraction form
    2,999,871.20/4,139,766.92 = 1,641,716.96/x
  3. Step 3: Cross multiply
    2,999,871.20x = 4,139,766.92 × 1,641,716.96
  4. Step 4: Simplify right side
    2,999,871.20x = 6,796,325,563,010.96
  5. Step 5: Solve for x
    x = 6,796,325,563,010.96/2,999,871.20
  6. Step 6: Final answer
    x = 2,265,539.12

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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.