Home / 3,212,043.21-4,432,626.03-1,761,750.57

Finding the Fourth Proportional to 3,212,043.21, 4,432,626.03 and 1,761,750.57

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Solution

The fourth proportional to 3,212,043.21, 4,432,626.03 and 1,761,750.57 is: 2,431,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,043.21 : 4,432,626.03 = 1,761,750.57 : x
  2. Step 2: Convert to fraction form
    3,212,043.21/4,432,626.03 = 1,761,750.57/x
  3. Step 3: Cross multiply
    3,212,043.21x = 4,432,626.03 × 1,761,750.57
  4. Step 4: Simplify right side
    3,212,043.21x = 7,809,181,434,949.34
  5. Step 5: Solve for x
    x = 7,809,181,434,949.34/3,212,043.21
  6. Step 6: Final answer
    x = 2,431,219.30

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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.