Home / 2,768,128.20-4,152,192.30-2,600,166.60

Finding the Fourth Proportional to 2,768,128.20, 4,152,192.30 and 2,600,166.60

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Solution

The fourth proportional to 2,768,128.20, 4,152,192.30 and 2,600,166.60 is: 3,900,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,128.20 : 4,152,192.30 = 2,600,166.60 : x
  2. Step 2: Convert to fraction form
    2,768,128.20/4,152,192.30 = 2,600,166.60/x
  3. Step 3: Cross multiply
    2,768,128.20x = 4,152,192.30 × 2,600,166.60
  4. Step 4: Simplify right side
    2,768,128.20x = 10,796,391,735,237.18
  5. Step 5: Solve for x
    x = 10,796,391,735,237.18/2,768,128.20
  6. Step 6: Final answer
    x = 3,900,249.90

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1.5x scale

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.