Home / 3,343,658.20-5,015,487.30-1,213,811.80

Finding the Fourth Proportional to 3,343,658.20, 5,015,487.30 and 1,213,811.80

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Solution

The fourth proportional to 3,343,658.20, 5,015,487.30 and 1,213,811.80 is: 1,820,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343,658.20 : 5,015,487.30 = 1,213,811.80 : x
  2. Step 2: Convert to fraction form
    3,343,658.20/5,015,487.30 = 1,213,811.80/x
  3. Step 3: Cross multiply
    3,343,658.20x = 5,015,487.30 × 1,213,811.80
  4. Step 4: Simplify right side
    3,343,658.20x = 6,087,857,667,490.14
  5. Step 5: Solve for x
    x = 6,087,857,667,490.14/3,343,658.20
  6. Step 6: Final answer
    x = 1,820,717.70

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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.