Home / 2,419,940.40-3,629,910.60-2,158,666.80

Finding the Fourth Proportional to 2,419,940.40, 3,629,910.60 and 2,158,666.80

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Solution

The fourth proportional to 2,419,940.40, 3,629,910.60 and 2,158,666.80 is: 3,238,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,940.40 : 3,629,910.60 = 2,158,666.80 : x
  2. Step 2: Convert to fraction form
    2,419,940.40/3,629,910.60 = 2,158,666.80/x
  3. Step 3: Cross multiply
    2,419,940.40x = 3,629,910.60 × 2,158,666.80
  4. Step 4: Simplify right side
    2,419,940.40x = 7,835,767,499,188.08
  5. Step 5: Solve for x
    x = 7,835,767,499,188.08/2,419,940.40
  6. Step 6: Final answer
    x = 3,238,000.20

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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.