Home / 2,106,726.31-2,906,455.07-1,223,525.11

Finding the Fourth Proportional to 2,106,726.31, 2,906,455.07 and 1,223,525.11

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Solution

The fourth proportional to 2,106,726.31, 2,906,455.07 and 1,223,525.11 is: 1,687,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,726.31 : 2,906,455.07 = 1,223,525.11 : x
  2. Step 2: Convert to fraction form
    2,106,726.31/2,906,455.07 = 1,223,525.11/x
  3. Step 3: Cross multiply
    2,106,726.31x = 2,906,455.07 × 1,223,525.11
  4. Step 4: Simplify right side
    2,106,726.31x = 3,556,120,771,086.95
  5. Step 5: Solve for x
    x = 3,556,120,771,086.95/2,106,726.31
  6. Step 6: Final answer
    x = 1,687,984.22

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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.