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Finding the Fourth Proportional to 3,270,289, 4,905,709.98 and 906,385

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Solution

The fourth proportional to 3,270,289, 4,905,709.98 and 906,385 is: 1,359,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270,289 : 4,905,709.98 = 906,385 : x
  2. Step 2: Convert to fraction form
    3,270,289/4,905,709.98 = 906,385/x
  3. Step 3: Cross multiply
    3,270,289x = 4,905,709.98 × 906,385
  4. Step 4: Simplify right side
    3,270,289x = 4,446,461,940,222.30
  5. Step 5: Solve for x
    x = 4,446,461,940,222.30/3,270,289
  6. Step 6: Final answer
    x = 1,359,654.13

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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.