Home / 3,623,217.15-4,999,983.62-1,991,589.60

Finding the Fourth Proportional to 3,623,217.15, 4,999,983.62 and 1,991,589.60

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Solution

The fourth proportional to 3,623,217.15, 4,999,983.62 and 1,991,589.60 is: 2,748,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,217.15 : 4,999,983.62 = 1,991,589.60 : x
  2. Step 2: Convert to fraction form
    3,623,217.15/4,999,983.62 = 1,991,589.60/x
  3. Step 3: Cross multiply
    3,623,217.15x = 4,999,983.62 × 1,991,589.60
  4. Step 4: Simplify right side
    3,623,217.15x = 9,957,915,367,804.40
  5. Step 5: Solve for x
    x = 9,957,915,367,804.40/3,623,217.15
  6. Step 6: Final answer
    x = 2,748,362.84

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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.