Home / 3,125,664.81-4,688,470.89-2,443,125.78

Finding the Fourth Proportional to 3,125,664.81, 4,688,470.89 and 2,443,125.78

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Solution

The fourth proportional to 3,125,664.81, 4,688,470.89 and 2,443,125.78 is: 3,664,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,664.81 : 4,688,470.89 = 2,443,125.78 : x
  2. Step 2: Convert to fraction form
    3,125,664.81/4,688,470.89 = 2,443,125.78/x
  3. Step 3: Cross multiply
    3,125,664.81x = 4,688,470.89 × 2,443,125.78
  4. Step 4: Simplify right side
    3,125,664.81x = 11,454,524,100,138.54
  5. Step 5: Solve for x
    x = 11,454,524,100,138.54/3,125,664.81
  6. Step 6: Final answer
    x = 3,664,668.09

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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.