Home / 2,117,968.92-2,923,222.20-1,258,363.68

Finding the Fourth Proportional to 2,117,968.92, 2,923,222.20 and 1,258,363.68

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Solution

The fourth proportional to 2,117,968.92, 2,923,222.20 and 1,258,363.68 is: 1,736,794.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,968.92 : 2,923,222.20 = 1,258,363.68 : x
  2. Step 2: Convert to fraction form
    2,117,968.92/2,923,222.20 = 1,258,363.68/x
  3. Step 3: Cross multiply
    2,117,968.92x = 2,923,222.20 × 1,258,363.68
  4. Step 4: Simplify right side
    2,117,968.92x = 3,678,476,645,049.70
  5. Step 5: Solve for x
    x = 3,678,476,645,049.70/2,117,968.92
  6. Step 6: Final answer
    x = 1,736,794.44

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1.5x scale

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.