Home / 6,391,811.20-9,587,716.80-1,842,851.20

Finding the Fourth Proportional to 6,391,811.20, 9,587,716.80 and 1,842,851.20

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Solution

The fourth proportional to 6,391,811.20, 9,587,716.80 and 1,842,851.20 is: 2,764,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391,811.20 : 9,587,716.80 = 1,842,851.20 : x
  2. Step 2: Convert to fraction form
    6,391,811.20/9,587,716.80 = 1,842,851.20/x
  3. Step 3: Cross multiply
    6,391,811.20x = 9,587,716.80 × 1,842,851.20
  4. Step 4: Simplify right side
    6,391,811.20x = 17,668,735,410,140.16
  5. Step 5: Solve for x
    x = 17,668,735,410,140.16/6,391,811.20
  6. Step 6: Final answer
    x = 2,764,276.80

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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.