Home / 4,270,378.80-6,397,792.20-2,021,559.60

Finding the Fourth Proportional to 4,270,378.80, 6,397,792.20 and 2,021,559.60

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Solution

The fourth proportional to 4,270,378.80, 6,397,792.20 and 2,021,559.60 is: 3,028,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270,378.80 : 6,397,792.20 = 2,021,559.60 : x
  2. Step 2: Convert to fraction form
    4,270,378.80/6,397,792.20 = 2,021,559.60/x
  3. Step 3: Cross multiply
    4,270,378.80x = 6,397,792.20 × 2,021,559.60
  4. Step 4: Simplify right side
    4,270,378.80x = 12,933,518,240,715.12
  5. Step 5: Solve for x
    x = 12,933,518,240,715.12/4,270,378.80
  6. Step 6: Final answer
    x = 3,028,658.31

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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.