Home / 2,640,113.71-3,961,836.47-1,123,794.22

Finding the Fourth Proportional to 2,640,113.71, 3,961,836.47 and 1,123,794.22

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Solution

The fourth proportional to 2,640,113.71, 3,961,836.47 and 1,123,794.22 is: 1,686,400.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,113.71 : 3,961,836.47 = 1,123,794.22 : x
  2. Step 2: Convert to fraction form
    2,640,113.71/3,961,836.47 = 1,123,794.22/x
  3. Step 3: Cross multiply
    2,640,113.71x = 3,961,836.47 × 1,123,794.22
  4. Step 4: Simplify right side
    2,640,113.71x = 4,452,288,925,571.20
  5. Step 5: Solve for x
    x = 4,452,288,925,571.20/2,640,113.71
  6. Step 6: Final answer
    x = 1,686,400.44

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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.