Home / 2,629,383.60-3,941,353.80-1,428,769.20

Finding the Fourth Proportional to 2,629,383.60, 3,941,353.80 and 1,428,769.20

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Solution

The fourth proportional to 2,629,383.60, 3,941,353.80 and 1,428,769.20 is: 2,141,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,383.60 : 3,941,353.80 = 1,428,769.20 : x
  2. Step 2: Convert to fraction form
    2,629,383.60/3,941,353.80 = 1,428,769.20/x
  3. Step 3: Cross multiply
    2,629,383.60x = 3,941,353.80 × 1,428,769.20
  4. Step 4: Simplify right side
    2,629,383.60x = 5,631,284,915,742.96
  5. Step 5: Solve for x
    x = 5,631,284,915,742.96/2,629,383.60
  6. Step 6: Final answer
    x = 2,141,674.92

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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.