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Finding the Fourth Proportional to 3,546,481.20, 4,977,670.80 and 3,546,481.20

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Solution

The fourth proportional to 3,546,481.20, 4,977,670.80 and 3,546,481.20 is: 4,977,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546,481.20 : 4,977,670.80 = 3,546,481.20 : x
  2. Step 2: Convert to fraction form
    3,546,481.20/4,977,670.80 = 3,546,481.20/x
  3. Step 3: Cross multiply
    3,546,481.20x = 4,977,670.80 × 3,546,481.20
  4. Step 4: Simplify right side
    3,546,481.20x = 17,653,215,911,988.96
  5. Step 5: Solve for x
    x = 17,653,215,911,988.96/3,546,481.20
  6. Step 6: Final answer
    x = 4,977,670.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.