Home / 2,419,442.80-3,629,164.20-823,807.60

Finding the Fourth Proportional to 2,419,442.80, 3,629,164.20 and 823,807.60

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Solution

The fourth proportional to 2,419,442.80, 3,629,164.20 and 823,807.60 is: 1,235,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,442.80 : 3,629,164.20 = 823,807.60 : x
  2. Step 2: Convert to fraction form
    2,419,442.80/3,629,164.20 = 823,807.60/x
  3. Step 3: Cross multiply
    2,419,442.80x = 3,629,164.20 × 823,807.60
  4. Step 4: Simplify right side
    2,419,442.80x = 2,989,733,049,607.92
  5. Step 5: Solve for x
    x = 2,989,733,049,607.92/2,419,442.80
  6. Step 6: Final answer
    x = 1,235,711.40

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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.