Home / 1,783,481.20-2,675,221.80-1,629,516.40

Finding the Fourth Proportional to 1,783,481.20, 2,675,221.80 and 1,629,516.40

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Solution

The fourth proportional to 1,783,481.20, 2,675,221.80 and 1,629,516.40 is: 2,444,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,481.20 : 2,675,221.80 = 1,629,516.40 : x
  2. Step 2: Convert to fraction form
    1,783,481.20/2,675,221.80 = 1,629,516.40/x
  3. Step 3: Cross multiply
    1,783,481.20x = 2,675,221.80 × 1,629,516.40
  4. Step 4: Simplify right side
    1,783,481.20x = 4,359,317,796,737.52
  5. Step 5: Solve for x
    x = 4,359,317,796,737.52/1,783,481.20
  6. Step 6: Final answer
    x = 2,444,274.60

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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.