Home / 2,690,906.70-4,031,792.45-1,623,706.30

Finding the Fourth Proportional to 2,690,906.70, 4,031,792.45 and 1,623,706.30

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Solution

The fourth proportional to 2,690,906.70, 4,031,792.45 and 1,623,706.30 is: 2,432,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,906.70 : 4,031,792.45 = 1,623,706.30 : x
  2. Step 2: Convert to fraction form
    2,690,906.70/4,031,792.45 = 1,623,706.30/x
  3. Step 3: Cross multiply
    2,690,906.70x = 4,031,792.45 × 1,623,706.30
  4. Step 4: Simplify right side
    2,690,906.70x = 6,546,446,801,357.44
  5. Step 5: Solve for x
    x = 6,546,446,801,357.44/2,690,906.70
  6. Step 6: Final answer
    x = 2,432,803.34

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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.