Home / 2,986,117.92-4,120,842.60-1,696,960.80

Finding the Fourth Proportional to 2,986,117.92, 4,120,842.60 and 1,696,960.80

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Solution

The fourth proportional to 2,986,117.92, 4,120,842.60 and 1,696,960.80 is: 2,341,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,117.92 : 4,120,842.60 = 1,696,960.80 : x
  2. Step 2: Convert to fraction form
    2,986,117.92/4,120,842.60 = 1,696,960.80/x
  3. Step 3: Cross multiply
    2,986,117.92x = 4,120,842.60 × 1,696,960.80
  4. Step 4: Simplify right side
    2,986,117.92x = 6,992,908,355,170.08
  5. Step 5: Solve for x
    x = 6,992,908,355,170.08/2,986,117.92
  6. Step 6: Final answer
    x = 2,341,805.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.