Home / 3,819,335.92-5,270,578.32-2,100,456.40

Finding the Fourth Proportional to 3,819,335.92, 5,270,578.32 and 2,100,456.40

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Solution

The fourth proportional to 3,819,335.92, 5,270,578.32 and 2,100,456.40 is: 2,898,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,335.92 : 5,270,578.32 = 2,100,456.40 : x
  2. Step 2: Convert to fraction form
    3,819,335.92/5,270,578.32 = 2,100,456.40/x
  3. Step 3: Cross multiply
    3,819,335.92x = 5,270,578.32 × 2,100,456.40
  4. Step 4: Simplify right side
    3,819,335.92x = 11,070,619,963,945.25
  5. Step 5: Solve for x
    x = 11,070,619,963,945.25/3,819,335.92
  6. Step 6: Final answer
    x = 2,898,571.95

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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.