Home / 3,021,189.47-4,169,294.62-1,644,572.75

Finding the Fourth Proportional to 3,021,189.47, 4,169,294.62 and 1,644,572.75

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Solution

The fourth proportional to 3,021,189.47, 4,169,294.62 and 1,644,572.75 is: 2,269,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,189.47 : 4,169,294.62 = 1,644,572.75 : x
  2. Step 2: Convert to fraction form
    3,021,189.47/4,169,294.62 = 1,644,572.75/x
  3. Step 3: Cross multiply
    3,021,189.47x = 4,169,294.62 × 1,644,572.75
  4. Step 4: Simplify right side
    3,021,189.47x = 6,856,708,344,108.12
  5. Step 5: Solve for x
    x = 6,856,708,344,108.12/3,021,189.47
  6. Step 6: Final answer
    x = 2,269,539.33

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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.