Home / 2,131,996.63-3,197,644.57-765,487.45

Finding the Fourth Proportional to 2,131,996.63, 3,197,644.57 and 765,487.45

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Solution

The fourth proportional to 2,131,996.63, 3,197,644.57 and 765,487.45 is: 1,148,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,996.63 : 3,197,644.57 = 765,487.45 : x
  2. Step 2: Convert to fraction form
    2,131,996.63/3,197,644.57 = 765,487.45/x
  3. Step 3: Cross multiply
    2,131,996.63x = 3,197,644.57 × 765,487.45
  4. Step 4: Simplify right side
    2,131,996.63x = 2,447,756,768,079.99
  5. Step 5: Solve for x
    x = 2,447,756,768,079.99/2,131,996.63
  6. Step 6: Final answer
    x = 1,148,105.36

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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.