Home / 5,109,311.40-7,661,202.30-2,117,797.80

Finding the Fourth Proportional to 5,109,311.40, 7,661,202.30 and 2,117,797.80

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Solution

The fourth proportional to 5,109,311.40, 7,661,202.30 and 2,117,797.80 is: 3,175,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,311.40 : 7,661,202.30 = 2,117,797.80 : x
  2. Step 2: Convert to fraction form
    5,109,311.40/7,661,202.30 = 2,117,797.80/x
  3. Step 3: Cross multiply
    5,109,311.40x = 7,661,202.30 × 2,117,797.80
  4. Step 4: Simplify right side
    5,109,311.40x = 16,224,877,376,294.94
  5. Step 5: Solve for x
    x = 16,224,877,376,294.94/5,109,311.40
  6. Step 6: Final answer
    x = 3,175,550.70

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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.