Home / 3,021,221.36-4,169,379.39-1,644,656.74

Finding the Fourth Proportional to 3,021,221.36, 4,169,379.39 and 1,644,656.74

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Solution

The fourth proportional to 3,021,221.36, 4,169,379.39 and 1,644,656.74 is: 2,269,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,221.36 : 4,169,379.39 = 1,644,656.74 : x
  2. Step 2: Convert to fraction form
    3,021,221.36/4,169,379.39 = 1,644,656.74/x
  3. Step 3: Cross multiply
    3,021,221.36x = 4,169,379.39 × 1,644,656.74
  4. Step 4: Simplify right side
    3,021,221.36x = 6,857,197,898,789.68
  5. Step 5: Solve for x
    x = 6,857,197,898,789.68/3,021,221.36
  6. Step 6: Final answer
    x = 2,269,677.42

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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.