Home / 3,123,634.71-4,685,831.21-879,772.71

Finding the Fourth Proportional to 3,123,634.71, 4,685,831.21 and 879,772.71

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Solution

The fourth proportional to 3,123,634.71, 4,685,831.21 and 879,772.71 is: 1,319,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,634.71 : 4,685,831.21 = 879,772.71 : x
  2. Step 2: Convert to fraction form
    3,123,634.71/4,685,831.21 = 879,772.71/x
  3. Step 3: Cross multiply
    3,123,634.71x = 4,685,831.21 × 879,772.71
  4. Step 4: Simplify right side
    3,123,634.71x = 4,122,466,394,396.26
  5. Step 5: Solve for x
    x = 4,122,466,394,396.26/3,123,634.71
  6. Step 6: Final answer
    x = 1,319,765.84

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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.