Home / 3,510,039.78-5,265,059.64-850,647.78

Finding the Fourth Proportional to 3,510,039.78, 5,265,059.64 and 850,647.78

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Solution

The fourth proportional to 3,510,039.78, 5,265,059.64 and 850,647.78 is: 1,275,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,039.78 : 5,265,059.64 = 850,647.78 : x
  2. Step 2: Convert to fraction form
    3,510,039.78/5,265,059.64 = 850,647.78/x
  3. Step 3: Cross multiply
    3,510,039.78x = 5,265,059.64 × 850,647.78
  4. Step 4: Simplify right side
    3,510,039.78x = 4,478,711,294,333.60
  5. Step 5: Solve for x
    x = 4,478,711,294,333.60/3,510,039.78
  6. Step 6: Final answer
    x = 1,275,971.66

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Similar ratio
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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.