Home / 2,916,021.40-4,374,032.10-2,654,747.80

Finding the Fourth Proportional to 2,916,021.40, 4,374,032.10 and 2,654,747.80

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Solution

The fourth proportional to 2,916,021.40, 4,374,032.10 and 2,654,747.80 is: 3,982,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,021.40 : 4,374,032.10 = 2,654,747.80 : x
  2. Step 2: Convert to fraction form
    2,916,021.40/4,374,032.10 = 2,654,747.80/x
  3. Step 3: Cross multiply
    2,916,021.40x = 4,374,032.10 × 2,654,747.80
  4. Step 4: Simplify right side
    2,916,021.40x = 11,611,952,094,604.38
  5. Step 5: Solve for x
    x = 11,611,952,094,604.38/2,916,021.40
  6. Step 6: Final answer
    x = 3,982,121.70

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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.