Home / 3,217,231.02-4,825,842.64-821,075.92

Finding the Fourth Proportional to 3,217,231.02, 4,825,842.64 and 821,075.92

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Solution

The fourth proportional to 3,217,231.02, 4,825,842.64 and 821,075.92 is: 1,231,612.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,231.02 : 4,825,842.64 = 821,075.92 : x
  2. Step 2: Convert to fraction form
    3,217,231.02/4,825,842.64 = 821,075.92/x
  3. Step 3: Cross multiply
    3,217,231.02x = 4,825,842.64 × 821,075.92
  4. Step 4: Simplify right side
    3,217,231.02x = 3,962,383,185,413.23
  5. Step 5: Solve for x
    x = 3,962,383,185,413.23/3,217,231.02
  6. Step 6: Final answer
    x = 1,231,612.89

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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.