Home / 2,640,113.34-3,960,136.58-842,974.04

Finding the Fourth Proportional to 2,640,113.34, 3,960,136.58 and 842,974.04

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Solution

The fourth proportional to 2,640,113.34, 3,960,136.58 and 842,974.04 is: 1,264,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,113.34 : 3,960,136.58 = 842,974.04 : x
  2. Step 2: Convert to fraction form
    2,640,113.34/3,960,136.58 = 842,974.04/x
  3. Step 3: Cross multiply
    2,640,113.34x = 3,960,136.58 × 842,974.04
  4. Step 4: Simplify right side
    2,640,113.34x = 3,338,292,315,204.09
  5. Step 5: Solve for x
    x = 3,338,292,315,204.09/2,640,113.34
  6. Step 6: Final answer
    x = 1,264,450.38

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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.