Home / 3,390,481.17-4,677,000.42-2,147,815.80

Finding the Fourth Proportional to 3,390,481.17, 4,677,000.42 and 2,147,815.80

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Solution

The fourth proportional to 3,390,481.17, 4,677,000.42 and 2,147,815.80 is: 2,962,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,481.17 : 4,677,000.42 = 2,147,815.80 : x
  2. Step 2: Convert to fraction form
    3,390,481.17/4,677,000.42 = 2,147,815.80/x
  3. Step 3: Cross multiply
    3,390,481.17x = 4,677,000.42 × 2,147,815.80
  4. Step 4: Simplify right side
    3,390,481.17x = 10,045,335,398,682.63
  5. Step 5: Solve for x
    x = 10,045,335,398,682.63/3,390,481.17
  6. Step 6: Final answer
    x = 2,962,805.25

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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.