Home / 2,297,916.82-3,170,644.50-1,330,989.40

Finding the Fourth Proportional to 2,297,916.82, 3,170,644.50 and 1,330,989.40

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Solution

The fourth proportional to 2,297,916.82, 3,170,644.50 and 1,330,989.40 is: 1,836,486.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297,916.82 : 3,170,644.50 = 1,330,989.40 : x
  2. Step 2: Convert to fraction form
    2,297,916.82/3,170,644.50 = 1,330,989.40/x
  3. Step 3: Cross multiply
    2,297,916.82x = 3,170,644.50 × 1,330,989.40
  4. Step 4: Simplify right side
    2,297,916.82x = 4,220,094,220,668.30
  5. Step 5: Solve for x
    x = 4,220,094,220,668.30/2,297,916.82
  6. Step 6: Final answer
    x = 1,836,486.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.