Home / 4,418,420.50-6,627,564.14-1,987,857.28

Finding the Fourth Proportional to 4,418,420.50, 6,627,564.14 and 1,987,857.28

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Solution

The fourth proportional to 4,418,420.50, 6,627,564.14 and 1,987,857.28 is: 2,981,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418,420.50 : 6,627,564.14 = 1,987,857.28 : x
  2. Step 2: Convert to fraction form
    4,418,420.50/6,627,564.14 = 1,987,857.28/x
  3. Step 3: Cross multiply
    4,418,420.50x = 6,627,564.14 × 1,987,857.28
  4. Step 4: Simplify right side
    4,418,420.50x = 13,174,651,624,365.94
  5. Step 5: Solve for x
    x = 13,174,651,624,365.94/4,418,420.50
  6. Step 6: Final answer
    x = 2,981,755.95

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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.