Home / 2,019,728.48-3,026,975.13-820,257.39

Finding the Fourth Proportional to 2,019,728.48, 3,026,975.13 and 820,257.39

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Solution

The fourth proportional to 2,019,728.48, 3,026,975.13 and 820,257.39 is: 1,229,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,728.48 : 3,026,975.13 = 820,257.39 : x
  2. Step 2: Convert to fraction form
    2,019,728.48/3,026,975.13 = 820,257.39/x
  3. Step 3: Cross multiply
    2,019,728.48x = 3,026,975.13 × 820,257.39
  4. Step 4: Simplify right side
    2,019,728.48x = 2,482,898,719,728.71
  5. Step 5: Solve for x
    x = 2,482,898,719,728.71/2,019,728.48
  6. Step 6: Final answer
    x = 1,229,323.03

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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.