Home / 2,728,212.60-4,092,902.10-835,145.40

Finding the Fourth Proportional to 2,728,212.60, 4,092,902.10 and 835,145.40

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Solution

The fourth proportional to 2,728,212.60, 4,092,902.10 and 835,145.40 is: 1,252,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,212.60 : 4,092,902.10 = 835,145.40 : x
  2. Step 2: Convert to fraction form
    2,728,212.60/4,092,902.10 = 835,145.40/x
  3. Step 3: Cross multiply
    2,728,212.60x = 4,092,902.10 × 835,145.40
  4. Step 4: Simplify right side
    2,728,212.60x = 3,418,168,361,465.34
  5. Step 5: Solve for x
    x = 3,418,168,361,465.34/2,728,212.60
  6. Step 6: Final answer
    x = 1,252,896.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.