Home / 3,208,456-4,427,669.28-1,919,350.72

Finding the Fourth Proportional to 3,208,456, 4,427,669.28 and 1,919,350.72

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Solution

The fourth proportional to 3,208,456, 4,427,669.28 and 1,919,350.72 is: 2,648,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,456 : 4,427,669.28 = 1,919,350.72 : x
  2. Step 2: Convert to fraction form
    3,208,456/4,427,669.28 = 1,919,350.72/x
  3. Step 3: Cross multiply
    3,208,456x = 4,427,669.28 × 1,919,350.72
  4. Step 4: Simplify right side
    3,208,456x = 8,498,250,220,489.88
  5. Step 5: Solve for x
    x = 8,498,250,220,489.88/3,208,456
  6. Step 6: Final answer
    x = 2,648,703.99

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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.