Home / 3,864,106.13-5,332,227.71-2,121,768.64

Finding the Fourth Proportional to 3,864,106.13, 5,332,227.71 and 2,121,768.64

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Solution

The fourth proportional to 3,864,106.13, 5,332,227.71 and 2,121,768.64 is: 2,927,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864,106.13 : 5,332,227.71 = 2,121,768.64 : x
  2. Step 2: Convert to fraction form
    3,864,106.13/5,332,227.71 = 2,121,768.64/x
  3. Step 3: Cross multiply
    3,864,106.13x = 5,332,227.71 × 2,121,768.64
  4. Step 4: Simplify right side
    3,864,106.13x = 11,313,753,528,390.87
  5. Step 5: Solve for x
    x = 11,313,753,528,390.87/3,864,106.13
  6. Step 6: Final answer
    x = 2,927,909.63

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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.