Home / 2,628,802.31-3,627,745.66-1,421,578.31

Finding the Fourth Proportional to 2,628,802.31, 3,627,745.66 and 1,421,578.31

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Solution

The fourth proportional to 2,628,802.31, 3,627,745.66 and 1,421,578.31 is: 1,961,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,802.31 : 3,627,745.66 = 1,421,578.31 : x
  2. Step 2: Convert to fraction form
    2,628,802.31/3,627,745.66 = 1,421,578.31/x
  3. Step 3: Cross multiply
    2,628,802.31x = 3,627,745.66 × 1,421,578.31
  4. Step 4: Simplify right side
    2,628,802.31x = 5,157,124,544,452.64
  5. Step 5: Solve for x
    x = 5,157,124,544,452.64/2,628,802.31
  6. Step 6: Final answer
    x = 1,961,777.24

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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.