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Finding the Fourth Proportional to 1,971,982.30, 2,957,098.65 and 907,350.70

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Solution

The fourth proportional to 1,971,982.30, 2,957,098.65 and 907,350.70 is: 1,360,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,982.30 : 2,957,098.65 = 907,350.70 : x
  2. Step 2: Convert to fraction form
    1,971,982.30/2,957,098.65 = 907,350.70/x
  3. Step 3: Cross multiply
    1,971,982.30x = 2,957,098.65 × 907,350.70
  4. Step 4: Simplify right side
    1,971,982.30x = 2,683,125,530,046.55
  5. Step 5: Solve for x
    x = 2,683,125,530,046.55/1,971,982.30
  6. Step 6: Final answer
    x = 1,360,623.54

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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.