Home / 3,150,768.80-4,727,465.40-1,021,505.60

Finding the Fourth Proportional to 3,150,768.80, 4,727,465.40 and 1,021,505.60

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Solution

The fourth proportional to 3,150,768.80, 4,727,465.40 and 1,021,505.60 is: 1,532,683.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,768.80 : 4,727,465.40 = 1,021,505.60 : x
  2. Step 2: Convert to fraction form
    3,150,768.80/4,727,465.40 = 1,021,505.60/x
  3. Step 3: Cross multiply
    3,150,768.80x = 4,727,465.40 × 1,021,505.60
  4. Step 4: Simplify right side
    3,150,768.80x = 4,829,132,379,906.24
  5. Step 5: Solve for x
    x = 4,829,132,379,906.24/3,150,768.80
  6. Step 6: Final answer
    x = 1,532,683.83

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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.