Home / 2,626,818.24-3,940,450.88-829,220.80

Finding the Fourth Proportional to 2,626,818.24, 3,940,450.88 and 829,220.80

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Solution

The fourth proportional to 2,626,818.24, 3,940,450.88 and 829,220.80 is: 1,243,901.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,818.24 : 3,940,450.88 = 829,220.80 : x
  2. Step 2: Convert to fraction form
    2,626,818.24/3,940,450.88 = 829,220.80/x
  3. Step 3: Cross multiply
    2,626,818.24x = 3,940,450.88 × 829,220.80
  4. Step 4: Simplify right side
    2,626,818.24x = 3,267,503,831,074.30
  5. Step 5: Solve for x
    x = 3,267,503,831,074.30/2,626,818.24
  6. Step 6: Final answer
    x = 1,243,901.76

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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.