Home / 3,015,552.51-4,161,494.61-1,638,896.36

Finding the Fourth Proportional to 3,015,552.51, 4,161,494.61 and 1,638,896.36

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Solution

The fourth proportional to 3,015,552.51, 4,161,494.61 and 1,638,896.36 is: 2,261,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,552.51 : 4,161,494.61 = 1,638,896.36 : x
  2. Step 2: Convert to fraction form
    3,015,552.51/4,161,494.61 = 1,638,896.36/x
  3. Step 3: Cross multiply
    3,015,552.51x = 4,161,494.61 × 1,638,896.36
  4. Step 4: Simplify right side
    3,015,552.51x = 6,820,258,347,681.15
  5. Step 5: Solve for x
    x = 6,820,258,347,681.15/3,015,552.51
  6. Step 6: Final answer
    x = 2,261,694.44

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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.