Home / 6,476,478.20-9,720,938.10-3,285,207.80

Finding the Fourth Proportional to 6,476,478.20, 9,720,938.10 and 3,285,207.80

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Solution

The fourth proportional to 6,476,478.20, 9,720,938.10 and 3,285,207.80 is: 4,930,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,478.20 : 9,720,938.10 = 3,285,207.80 : x
  2. Step 2: Convert to fraction form
    6,476,478.20/9,720,938.10 = 3,285,207.80/x
  3. Step 3: Cross multiply
    6,476,478.20x = 9,720,938.10 × 3,285,207.80
  4. Step 4: Simplify right side
    6,476,478.20x = 31,935,301,669,437.18
  5. Step 5: Solve for x
    x = 31,935,301,669,437.18/6,476,478.20
  6. Step 6: Final answer
    x = 4,930,967.21

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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.