Home / 3,212,021.34-4,432,713.54-1,761,777.90

Finding the Fourth Proportional to 3,212,021.34, 4,432,713.54 and 1,761,777.90

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Solution

The fourth proportional to 3,212,021.34, 4,432,713.54 and 1,761,777.90 is: 2,431,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,021.34 : 4,432,713.54 = 1,761,777.90 : x
  2. Step 2: Convert to fraction form
    3,212,021.34/4,432,713.54 = 1,761,777.90/x
  3. Step 3: Cross multiply
    3,212,021.34x = 4,432,713.54 × 1,761,777.90
  4. Step 4: Simplify right side
    3,212,021.34x = 7,809,456,751,802.77
  5. Step 5: Solve for x
    x = 7,809,456,751,802.77/3,212,021.34
  6. Step 6: Final answer
    x = 2,431,321.57

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1.5x scale

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.