Home / 3,631,424-5,011,520.64-2,021,792

Finding the Fourth Proportional to 3,631,424, 5,011,520.64 and 2,021,792

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Solution

The fourth proportional to 3,631,424, 5,011,520.64 and 2,021,792 is: 2,790,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,424 : 5,011,520.64 = 2,021,792 : x
  2. Step 2: Convert to fraction form
    3,631,424/5,011,520.64 = 2,021,792/x
  3. Step 3: Cross multiply
    3,631,424x = 5,011,520.64 × 2,021,792
  4. Step 4: Simplify right side
    3,631,424x = 10,132,252,337,786.88
  5. Step 5: Solve for x
    x = 10,132,252,337,786.88/3,631,424
  6. Step 6: Final answer
    x = 2,790,159.55

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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.