Home / 3,066,786.72-4,232,194.65-1,690,180.83

Finding the Fourth Proportional to 3,066,786.72, 4,232,194.65 and 1,690,180.83

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Solution

The fourth proportional to 3,066,786.72, 4,232,194.65 and 1,690,180.83 is: 2,332,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066,786.72 : 4,232,194.65 = 1,690,180.83 : x
  2. Step 2: Convert to fraction form
    3,066,786.72/4,232,194.65 = 1,690,180.83/x
  3. Step 3: Cross multiply
    3,066,786.72x = 4,232,194.65 × 1,690,180.83
  4. Step 4: Simplify right side
    3,066,786.72x = 7,153,174,266,258.56
  5. Step 5: Solve for x
    x = 7,153,174,266,258.56/3,066,786.72
  6. Step 6: Final answer
    x = 2,332,465.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.