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Finding the Fourth Proportional to 5,798,443.92, 8,001,961.02 and 3,220,366.20

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Solution

The fourth proportional to 5,798,443.92, 8,001,961.02 and 3,220,366.20 is: 4,444,165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,798,443.92 : 8,001,961.02 = 3,220,366.20 : x
  2. Step 2: Convert to fraction form
    5,798,443.92/8,001,961.02 = 3,220,366.20/x
  3. Step 3: Cross multiply
    5,798,443.92x = 8,001,961.02 × 3,220,366.20
  4. Step 4: Simplify right side
    5,798,443.92x = 25,769,244,802,525.52
  5. Step 5: Solve for x
    x = 25,769,244,802,525.52/5,798,443.92
  6. Step 6: Final answer
    x = 4,444,165.57

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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.