Home / 3,320,717.40-4,981,076.10-1,977,024.60

Finding the Fourth Proportional to 3,320,717.40, 4,981,076.10 and 1,977,024.60

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Solution

The fourth proportional to 3,320,717.40, 4,981,076.10 and 1,977,024.60 is: 2,965,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,717.40 : 4,981,076.10 = 1,977,024.60 : x
  2. Step 2: Convert to fraction form
    3,320,717.40/4,981,076.10 = 1,977,024.60/x
  3. Step 3: Cross multiply
    3,320,717.40x = 4,981,076.10 × 1,977,024.60
  4. Step 4: Simplify right side
    3,320,717.40x = 9,847,709,984,172.06
  5. Step 5: Solve for x
    x = 9,847,709,984,172.06/3,320,717.40
  6. Step 6: Final answer
    x = 2,965,536.90

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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.