Home / 3,884,801.80-5,825,129.10-1,638,401.80

Finding the Fourth Proportional to 3,884,801.80, 5,825,129.10 and 1,638,401.80

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Solution

The fourth proportional to 3,884,801.80, 5,825,129.10 and 1,638,401.80 is: 2,456,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884,801.80 : 5,825,129.10 = 1,638,401.80 : x
  2. Step 2: Convert to fraction form
    3,884,801.80/5,825,129.10 = 1,638,401.80/x
  3. Step 3: Cross multiply
    3,884,801.80x = 5,825,129.10 × 1,638,401.80
  4. Step 4: Simplify right side
    3,884,801.80x = 9,543,902,002,672.38
  5. Step 5: Solve for x
    x = 9,543,902,002,672.38/3,884,801.80
  6. Step 6: Final answer
    x = 2,456,728.17

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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.