Home / 2,133,078.16-3,200,423.07-1,280,744.12

Finding the Fourth Proportional to 2,133,078.16, 3,200,423.07 and 1,280,744.12

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Solution

The fourth proportional to 2,133,078.16, 3,200,423.07 and 1,280,744.12 is: 1,921,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,078.16 : 3,200,423.07 = 1,280,744.12 : x
  2. Step 2: Convert to fraction form
    2,133,078.16/3,200,423.07 = 1,280,744.12/x
  3. Step 3: Cross multiply
    2,133,078.16x = 3,200,423.07 × 1,280,744.12
  4. Step 4: Simplify right side
    2,133,078.16x = 4,098,923,033,217.64
  5. Step 5: Solve for x
    x = 4,098,923,033,217.64/2,133,078.16
  6. Step 6: Final answer
    x = 1,921,600.02

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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.