Home / 2,752,523.20-4,120,911.60-1,689,641.20

Finding the Fourth Proportional to 2,752,523.20, 4,120,911.60 and 1,689,641.20

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Solution

The fourth proportional to 2,752,523.20, 4,120,911.60 and 1,689,641.20 is: 2,529,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,523.20 : 4,120,911.60 = 1,689,641.20 : x
  2. Step 2: Convert to fraction form
    2,752,523.20/4,120,911.60 = 1,689,641.20/x
  3. Step 3: Cross multiply
    2,752,523.20x = 4,120,911.60 × 1,689,641.20
  4. Step 4: Simplify right side
    2,752,523.20x = 6,962,862,020,917.92
  5. Step 5: Solve for x
    x = 6,962,862,020,917.92/2,752,523.20
  6. Step 6: Final answer
    x = 2,529,628.82

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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.