Home / 3,208,599-4,427,866.62-1,919,493.72

Finding the Fourth Proportional to 3,208,599, 4,427,866.62 and 1,919,493.72

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Solution

The fourth proportional to 3,208,599, 4,427,866.62 and 1,919,493.72 is: 2,648,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,599 : 4,427,866.62 = 1,919,493.72 : x
  2. Step 2: Convert to fraction form
    3,208,599/4,427,866.62 = 1,919,493.72/x
  3. Step 3: Cross multiply
    3,208,599x = 4,427,866.62 × 1,919,493.72
  4. Step 4: Simplify right side
    3,208,599x = 8,499,262,170,087.63
  5. Step 5: Solve for x
    x = 8,499,262,170,087.63/3,208,599
  6. Step 6: Final answer
    x = 2,648,901.33

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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.