Home / 2,147,986.80-3,221,907.30-550,565.55

Finding the Fourth Proportional to 2,147,986.80, 3,221,907.30 and 550,565.55

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Solution

The fourth proportional to 2,147,986.80, 3,221,907.30 and 550,565.55 is: 825,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,986.80 : 3,221,907.30 = 550,565.55 : x
  2. Step 2: Convert to fraction form
    2,147,986.80/3,221,907.30 = 550,565.55/x
  3. Step 3: Cross multiply
    2,147,986.80x = 3,221,907.30 × 550,565.55
  4. Step 4: Simplify right side
    2,147,986.80x = 1,773,871,164,673.52
  5. Step 5: Solve for x
    x = 1,773,871,164,673.52/2,147,986.80
  6. Step 6: Final answer
    x = 825,829.64

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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.