Home / 3,212,608-4,433,405.76-1,762,315.14

Finding the Fourth Proportional to 3,212,608, 4,433,405.76 and 1,762,315.14

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Solution

The fourth proportional to 3,212,608, 4,433,405.76 and 1,762,315.14 is: 2,431,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,608 : 4,433,405.76 = 1,762,315.14 : x
  2. Step 2: Convert to fraction form
    3,212,608/4,433,405.76 = 1,762,315.14/x
  3. Step 3: Cross multiply
    3,212,608x = 4,433,405.76 × 1,762,315.14
  4. Step 4: Simplify right side
    3,212,608x = 7,813,058,092,611.21
  5. Step 5: Solve for x
    x = 7,813,058,092,611.21/3,212,608
  6. Step 6: Final answer
    x = 2,431,998.58

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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.