Home / 2,787,283.72-4,180,917.11-765,529.43

Finding the Fourth Proportional to 2,787,283.72, 4,180,917.11 and 765,529.43

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Solution

The fourth proportional to 2,787,283.72, 4,180,917.11 and 765,529.43 is: 1,148,291.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,283.72 : 4,180,917.11 = 765,529.43 : x
  2. Step 2: Convert to fraction form
    2,787,283.72/4,180,917.11 = 765,529.43/x
  3. Step 3: Cross multiply
    2,787,283.72x = 4,180,917.11 × 765,529.43
  4. Step 4: Simplify right side
    2,787,283.72x = 3,200,615,092,095.55
  5. Step 5: Solve for x
    x = 3,200,615,092,095.55/2,787,283.72
  6. Step 6: Final answer
    x = 1,148,291.82

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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.