Home / 2,160,512.92-3,240,727.60-645,222.52

Finding the Fourth Proportional to 2,160,512.92, 3,240,727.60 and 645,222.52

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Solution

The fourth proportional to 2,160,512.92, 3,240,727.60 and 645,222.52 is: 967,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,512.92 : 3,240,727.60 = 645,222.52 : x
  2. Step 2: Convert to fraction form
    2,160,512.92/3,240,727.60 = 645,222.52/x
  3. Step 3: Cross multiply
    2,160,512.92x = 3,240,727.60 × 645,222.52
  4. Step 4: Simplify right side
    2,160,512.92x = 2,090,990,428,705.55
  5. Step 5: Solve for x
    x = 2,090,990,428,705.55/2,160,512.92
  6. Step 6: Final answer
    x = 967,821.30

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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.