Home / 5,275,353.91-7,898,803.07-3,449,189.78

Finding the Fourth Proportional to 5,275,353.91, 7,898,803.07 and 3,449,189.78

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Solution

The fourth proportional to 5,275,353.91, 7,898,803.07 and 3,449,189.78 is: 5,164,482.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,353.91 : 7,898,803.07 = 3,449,189.78 : x
  2. Step 2: Convert to fraction form
    5,275,353.91/7,898,803.07 = 3,449,189.78/x
  3. Step 3: Cross multiply
    5,275,353.91x = 7,898,803.07 × 3,449,189.78
  4. Step 4: Simplify right side
    5,275,353.91x = 27,244,470,823,276.62
  5. Step 5: Solve for x
    x = 27,244,470,823,276.62/5,275,353.91
  6. Step 6: Final answer
    x = 5,164,482.10

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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.