Home / 5,458,045.05-8,187,067.58-1,620,005.85

Finding the Fourth Proportional to 5,458,045.05, 8,187,067.58 and 1,620,005.85

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Solution

The fourth proportional to 5,458,045.05, 8,187,067.58 and 1,620,005.85 is: 2,430,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,045.05 : 8,187,067.58 = 1,620,005.85 : x
  2. Step 2: Convert to fraction form
    5,458,045.05/8,187,067.58 = 1,620,005.85/x
  3. Step 3: Cross multiply
    5,458,045.05x = 8,187,067.58 × 1,620,005.85
  4. Step 4: Simplify right side
    5,458,045.05x = 13,263,097,365,845.31
  5. Step 5: Solve for x
    x = 13,263,097,365,845.31/5,458,045.05
  6. Step 6: Final answer
    x = 2,430,008.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.