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Finding the Fourth Proportional to 5,643,999.38, 8,465,982.86 and 2,049,751.82

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Solution

The fourth proportional to 5,643,999.38, 8,465,982.86 and 2,049,751.82 is: 3,074,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643,999.38 : 8,465,982.86 = 2,049,751.82 : x
  2. Step 2: Convert to fraction form
    5,643,999.38/8,465,982.86 = 2,049,751.82/x
  3. Step 3: Cross multiply
    5,643,999.38x = 8,465,982.86 × 2,049,751.82
  4. Step 4: Simplify right side
    5,643,999.38x = 17,353,163,775,373.80
  5. Step 5: Solve for x
    x = 17,353,163,775,373.80/5,643,999.38
  6. Step 6: Final answer
    x = 3,074,621.84

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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.