Home / 3,278,289.61-4,921,710.91-2,203,616.34

Finding the Fourth Proportional to 3,278,289.61, 4,921,710.91 and 2,203,616.34

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Solution

The fourth proportional to 3,278,289.61, 4,921,710.91 and 2,203,616.34 is: 3,308,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278,289.61 : 4,921,710.91 = 2,203,616.34 : x
  2. Step 2: Convert to fraction form
    3,278,289.61/4,921,710.91 = 2,203,616.34/x
  3. Step 3: Cross multiply
    3,278,289.61x = 4,921,710.91 × 2,203,616.34
  4. Step 4: Simplify right side
    3,278,289.61x = 10,845,562,588,918.57
  5. Step 5: Solve for x
    x = 10,845,562,588,918.57/3,278,289.61
  6. Step 6: Final answer
    x = 3,308,299.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.