Home / 2,768,768.80-4,152,375.60-876,090.40

Finding the Fourth Proportional to 2,768,768.80, 4,152,375.60 and 876,090.40

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Solution

The fourth proportional to 2,768,768.80, 4,152,375.60 and 876,090.40 is: 1,313,889.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,768.80 : 4,152,375.60 = 876,090.40 : x
  2. Step 2: Convert to fraction form
    2,768,768.80/4,152,375.60 = 876,090.40/x
  3. Step 3: Cross multiply
    2,768,768.80x = 4,152,375.60 × 876,090.40
  4. Step 4: Simplify right side
    2,768,768.80x = 3,637,856,400,354.24
  5. Step 5: Solve for x
    x = 3,637,856,400,354.24/2,768,768.80
  6. Step 6: Final answer
    x = 1,313,889.55

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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.