Home / 4,270,142.80-6,397,438.20-2,021,323.60

Finding the Fourth Proportional to 4,270,142.80, 6,397,438.20 and 2,021,323.60

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Solution

The fourth proportional to 4,270,142.80, 6,397,438.20 and 2,021,323.60 is: 3,028,304.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270,142.80 : 6,397,438.20 = 2,021,323.60 : x
  2. Step 2: Convert to fraction form
    4,270,142.80/6,397,438.20 = 2,021,323.60/x
  3. Step 3: Cross multiply
    4,270,142.80x = 6,397,438.20 × 2,021,323.60
  4. Step 4: Simplify right side
    4,270,142.80x = 12,931,292,813,201.52
  5. Step 5: Solve for x
    x = 12,931,292,813,201.52/4,270,142.80
  6. Step 6: Final answer
    x = 3,028,304.54

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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.