Home / 3,319,282.80-4,967,455.40-1,990,540.40

Finding the Fourth Proportional to 3,319,282.80, 4,967,455.40 and 1,990,540.40

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Solution

The fourth proportional to 3,319,282.80, 4,967,455.40 and 1,990,540.40 is: 2,978,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,282.80 : 4,967,455.40 = 1,990,540.40 : x
  2. Step 2: Convert to fraction form
    3,319,282.80/4,967,455.40 = 1,990,540.40/x
  3. Step 3: Cross multiply
    3,319,282.80x = 4,967,455.40 × 1,990,540.40
  4. Step 4: Simplify right side
    3,319,282.80x = 9,887,920,658,898.16
  5. Step 5: Solve for x
    x = 9,887,920,658,898.16/3,319,282.80
  6. Step 6: Final answer
    x = 2,978,932.88

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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.