Home / 3,689,674.28-5,091,877.12-2,140,819.01

Finding the Fourth Proportional to 3,689,674.28, 5,091,877.12 and 2,140,819.01

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Solution

The fourth proportional to 3,689,674.28, 5,091,877.12 and 2,140,819.01 is: 2,954,403.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,674.28 : 5,091,877.12 = 2,140,819.01 : x
  2. Step 2: Convert to fraction form
    3,689,674.28/5,091,877.12 = 2,140,819.01/x
  3. Step 3: Cross multiply
    3,689,674.28x = 5,091,877.12 × 2,140,819.01
  4. Step 4: Simplify right side
    3,689,674.28x = 10,900,787,304,268.62
  5. Step 5: Solve for x
    x = 10,900,787,304,268.62/3,689,674.28
  6. Step 6: Final answer
    x = 2,954,403.69

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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.