Home / 5,361,247.60-8,040,949.80-1,993,721.20

Finding the Fourth Proportional to 5,361,247.60, 8,040,949.80 and 1,993,721.20

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Solution

The fourth proportional to 5,361,247.60, 8,040,949.80 and 1,993,721.20 is: 2,990,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361,247.60 : 8,040,949.80 = 1,993,721.20 : x
  2. Step 2: Convert to fraction form
    5,361,247.60/8,040,949.80 = 1,993,721.20/x
  3. Step 3: Cross multiply
    5,361,247.60x = 8,040,949.80 × 1,993,721.20
  4. Step 4: Simplify right side
    5,361,247.60x = 16,031,412,084,395.76
  5. Step 5: Solve for x
    x = 16,031,412,084,395.76/5,361,247.60
  6. Step 6: Final answer
    x = 2,990,239.08

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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.