Home / 2,728,272.78-4,092,725.07-906,800.40

Finding the Fourth Proportional to 2,728,272.78, 4,092,725.07 and 906,800.40

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Solution

The fourth proportional to 2,728,272.78, 4,092,725.07 and 906,800.40 is: 1,360,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,272.78 : 4,092,725.07 = 906,800.40 : x
  2. Step 2: Convert to fraction form
    2,728,272.78/4,092,725.07 = 906,800.40/x
  3. Step 3: Cross multiply
    2,728,272.78x = 4,092,725.07 × 906,800.40
  4. Step 4: Simplify right side
    2,728,272.78x = 3,711,284,730,566.03
  5. Step 5: Solve for x
    x = 3,711,284,730,566.03/2,728,272.78
  6. Step 6: Final answer
    x = 1,360,305.60

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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.