Home / 3,908,000.66-5,392,981.78-2,189,182.68

Finding the Fourth Proportional to 3,908,000.66, 5,392,981.78 and 2,189,182.68

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Solution

The fourth proportional to 3,908,000.66, 5,392,981.78 and 2,189,182.68 is: 3,021,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,000.66 : 5,392,981.78 = 2,189,182.68 : x
  2. Step 2: Convert to fraction form
    3,908,000.66/5,392,981.78 = 2,189,182.68/x
  3. Step 3: Cross multiply
    3,908,000.66x = 5,392,981.78 × 2,189,182.68
  4. Step 4: Simplify right side
    3,908,000.66x = 11,806,222,306,331.57
  5. Step 5: Solve for x
    x = 11,806,222,306,331.57/3,908,000.66
  6. Step 6: Final answer
    x = 3,021,038.97

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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.