Home / 3,269,890.26-4,512,989.25-1,911,500.82

Finding the Fourth Proportional to 3,269,890.26, 4,512,989.25 and 1,911,500.82

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Solution

The fourth proportional to 3,269,890.26, 4,512,989.25 and 1,911,500.82 is: 2,638,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269,890.26 : 4,512,989.25 = 1,911,500.82 : x
  2. Step 2: Convert to fraction form
    3,269,890.26/4,512,989.25 = 1,911,500.82/x
  3. Step 3: Cross multiply
    3,269,890.26x = 4,512,989.25 × 1,911,500.82
  4. Step 4: Simplify right side
    3,269,890.26x = 8,626,582,652,026.19
  5. Step 5: Solve for x
    x = 8,626,582,652,026.19/3,269,890.26
  6. Step 6: Final answer
    x = 2,638,187.21

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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.