Home / 3,869,042.40-5,809,093.20-2,189,426.40

Finding the Fourth Proportional to 3,869,042.40, 5,809,093.20 and 2,189,426.40

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Solution

The fourth proportional to 3,869,042.40, 5,809,093.20 and 2,189,426.40 is: 3,287,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,042.40 : 5,809,093.20 = 2,189,426.40 : x
  2. Step 2: Convert to fraction form
    3,869,042.40/5,809,093.20 = 2,189,426.40/x
  3. Step 3: Cross multiply
    3,869,042.40x = 5,809,093.20 × 2,189,426.40
  4. Step 4: Simplify right side
    3,869,042.40x = 12,718,582,012,140.48
  5. Step 5: Solve for x
    x = 12,718,582,012,140.48/3,869,042.40
  6. Step 6: Final answer
    x = 3,287,268.71

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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.