Home / 2,820,081.68-4,230,708.60-1,282,344.56

Finding the Fourth Proportional to 2,820,081.68, 4,230,708.60 and 1,282,344.56

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Solution

The fourth proportional to 2,820,081.68, 4,230,708.60 and 1,282,344.56 is: 1,923,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,081.68 : 4,230,708.60 = 1,282,344.56 : x
  2. Step 2: Convert to fraction form
    2,820,081.68/4,230,708.60 = 1,282,344.56/x
  3. Step 3: Cross multiply
    2,820,081.68x = 4,230,708.60 × 1,282,344.56
  4. Step 4: Simplify right side
    2,820,081.68x = 5,425,226,158,155.22
  5. Step 5: Solve for x
    x = 5,425,226,158,155.22/2,820,081.68
  6. Step 6: Final answer
    x = 1,923,783.34

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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.