Home / 3,692,912.31-5,097,069.18-2,165,511.51

Finding the Fourth Proportional to 3,692,912.31, 5,097,069.18 and 2,165,511.51

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Solution

The fourth proportional to 3,692,912.31, 5,097,069.18 and 2,165,511.51 is: 2,988,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,912.31 : 5,097,069.18 = 2,165,511.51 : x
  2. Step 2: Convert to fraction form
    3,692,912.31/5,097,069.18 = 2,165,511.51/x
  3. Step 3: Cross multiply
    3,692,912.31x = 5,097,069.18 × 2,165,511.51
  4. Step 4: Simplify right side
    3,692,912.31x = 11,037,761,976,556.26
  5. Step 5: Solve for x
    x = 11,037,761,976,556.26/3,692,912.31
  6. Step 6: Final answer
    x = 2,988,904.43

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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.