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Finding the Fourth Proportional to 5,684,991.82, 7,846,088.82 and 3,619,347.55

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Solution

The fourth proportional to 5,684,991.82, 7,846,088.82 and 3,619,347.55 is: 4,995,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,684,991.82 : 7,846,088.82 = 3,619,347.55 : x
  2. Step 2: Convert to fraction form
    5,684,991.82/7,846,088.82 = 3,619,347.55/x
  3. Step 3: Cross multiply
    5,684,991.82x = 7,846,088.82 × 3,619,347.55
  4. Step 4: Simplify right side
    5,684,991.82x = 28,397,722,347,749.39
  5. Step 5: Solve for x
    x = 28,397,722,347,749.39/5,684,991.82
  6. Step 6: Final answer
    x = 4,995,209.01

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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.