Home / 2,887,213.05-3,984,448.05-1,663,422.53

Finding the Fourth Proportional to 2,887,213.05, 3,984,448.05 and 1,663,422.53

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Solution

The fourth proportional to 2,887,213.05, 3,984,448.05 and 1,663,422.53 is: 2,295,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,213.05 : 3,984,448.05 = 1,663,422.53 : x
  2. Step 2: Convert to fraction form
    2,887,213.05/3,984,448.05 = 1,663,422.53/x
  3. Step 3: Cross multiply
    2,887,213.05x = 3,984,448.05 × 1,663,422.53
  4. Step 4: Simplify right side
    2,887,213.05x = 6,627,820,636,062.33
  5. Step 5: Solve for x
    x = 6,627,820,636,062.33/2,887,213.05
  6. Step 6: Final answer
    x = 2,295,577.26

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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.