Home / 3,020,644.62-4,530,274.55-861,628.64

Finding the Fourth Proportional to 3,020,644.62, 4,530,274.55 and 861,628.64

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Solution

The fourth proportional to 3,020,644.62, 4,530,274.55 and 861,628.64 is: 1,292,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,644.62 : 4,530,274.55 = 861,628.64 : x
  2. Step 2: Convert to fraction form
    3,020,644.62/4,530,274.55 = 861,628.64/x
  3. Step 3: Cross multiply
    3,020,644.62x = 4,530,274.55 × 861,628.64
  4. Step 4: Simplify right side
    3,020,644.62x = 3,903,414,272,383.60
  5. Step 5: Solve for x
    x = 3,903,414,272,383.60/3,020,644.62
  6. Step 6: Final answer
    x = 1,292,245.45

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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.