Home / 2,196,997.80-3,292,872.30-1,131,491.40

Finding the Fourth Proportional to 2,196,997.80, 3,292,872.30 and 1,131,491.40

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Solution

The fourth proportional to 2,196,997.80, 3,292,872.30 and 1,131,491.40 is: 1,695,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,997.80 : 3,292,872.30 = 1,131,491.40 : x
  2. Step 2: Convert to fraction form
    2,196,997.80/3,292,872.30 = 1,131,491.40/x
  3. Step 3: Cross multiply
    2,196,997.80x = 3,292,872.30 × 1,131,491.40
  4. Step 4: Simplify right side
    2,196,997.80x = 3,725,856,688,748.22
  5. Step 5: Solve for x
    x = 3,725,856,688,748.22/2,196,997.80
  6. Step 6: Final answer
    x = 1,695,885.49

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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.