Home / 2,188,638-3,282,971.58-692,730

Finding the Fourth Proportional to 2,188,638, 3,282,971.58 and 692,730

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Solution

The fourth proportional to 2,188,638, 3,282,971.58 and 692,730 is: 1,039,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,638 : 3,282,971.58 = 692,730 : x
  2. Step 2: Convert to fraction form
    2,188,638/3,282,971.58 = 692,730/x
  3. Step 3: Cross multiply
    2,188,638x = 3,282,971.58 × 692,730
  4. Step 4: Simplify right side
    2,188,638x = 2,274,212,902,613.40
  5. Step 5: Solve for x
    x = 2,274,212,902,613.40/2,188,638
  6. Step 6: Final answer
    x = 1,039,099.61

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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.