Home / 3,579,399.92-4,939,572.70-1,969,767.92

Finding the Fourth Proportional to 3,579,399.92, 4,939,572.70 and 1,969,767.92

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Solution

The fourth proportional to 3,579,399.92, 4,939,572.70 and 1,969,767.92 is: 2,718,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,399.92 : 4,939,572.70 = 1,969,767.92 : x
  2. Step 2: Convert to fraction form
    3,579,399.92/4,939,572.70 = 1,969,767.92/x
  3. Step 3: Cross multiply
    3,579,399.92x = 4,939,572.70 × 1,969,767.92
  4. Step 4: Simplify right side
    3,579,399.92x = 9,729,811,842,967.78
  5. Step 5: Solve for x
    x = 9,729,811,842,967.78/3,579,399.92
  6. Step 6: Final answer
    x = 2,718,280.18

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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.