Home / 2,268,015.80-3,402,023.70-1,428,207.80

Finding the Fourth Proportional to 2,268,015.80, 3,402,023.70 and 1,428,207.80

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Solution

The fourth proportional to 2,268,015.80, 3,402,023.70 and 1,428,207.80 is: 2,142,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,015.80 : 3,402,023.70 = 1,428,207.80 : x
  2. Step 2: Convert to fraction form
    2,268,015.80/3,402,023.70 = 1,428,207.80/x
  3. Step 3: Cross multiply
    2,268,015.80x = 3,402,023.70 × 1,428,207.80
  4. Step 4: Simplify right side
    2,268,015.80x = 4,858,796,784,124.86
  5. Step 5: Solve for x
    x = 4,858,796,784,124.86/2,268,015.80
  6. Step 6: Final answer
    x = 2,142,311.70

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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.