Home / 3,964,550.40-5,471,086.08-2,153,715.84

Finding the Fourth Proportional to 3,964,550.40, 5,471,086.08 and 2,153,715.84

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Solution

The fourth proportional to 3,964,550.40, 5,471,086.08 and 2,153,715.84 is: 2,972,131.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,550.40 : 5,471,086.08 = 2,153,715.84 : x
  2. Step 2: Convert to fraction form
    3,964,550.40/5,471,086.08 = 2,153,715.84/x
  3. Step 3: Cross multiply
    3,964,550.40x = 5,471,086.08 × 2,153,715.84
  4. Step 4: Simplify right side
    3,964,550.40x = 11,783,164,752,499.51
  5. Step 5: Solve for x
    x = 11,783,164,752,499.51/3,964,550.40
  6. Step 6: Final answer
    x = 2,972,131.41

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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.