Home / 3,187,754.92-4,399,103.46-1,811,101.06

Finding the Fourth Proportional to 3,187,754.92, 4,399,103.46 and 1,811,101.06

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Solution

The fourth proportional to 3,187,754.92, 4,399,103.46 and 1,811,101.06 is: 2,499,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,754.92 : 4,399,103.46 = 1,811,101.06 : x
  2. Step 2: Convert to fraction form
    3,187,754.92/4,399,103.46 = 1,811,101.06/x
  3. Step 3: Cross multiply
    3,187,754.92x = 4,399,103.46 × 1,811,101.06
  4. Step 4: Simplify right side
    3,187,754.92x = 7,967,220,939,455.67
  5. Step 5: Solve for x
    x = 7,967,220,939,455.67/3,187,754.92
  6. Step 6: Final answer
    x = 2,499,320.41

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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.