Home / 1,619,963.48-2,216,121.60-1,613,140.04

Finding the Fourth Proportional to 1,619,963.48, 2,216,121.60 and 1,613,140.04

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Solution

The fourth proportional to 1,619,963.48, 2,216,121.60 and 1,613,140.04 is: 2,206,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,963.48 : 2,216,121.60 = 1,613,140.04 : x
  2. Step 2: Convert to fraction form
    1,619,963.48/2,216,121.60 = 1,613,140.04/x
  3. Step 3: Cross multiply
    1,619,963.48x = 2,216,121.60 × 1,613,140.04
  4. Step 4: Simplify right side
    1,619,963.48x = 3,574,914,486,468.86
  5. Step 5: Solve for x
    x = 3,574,914,486,468.86/1,619,963.48
  6. Step 6: Final answer
    x = 2,206,787.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.