Home / 3,319,255.80-4,967,414.90-1,990,513.40

Finding the Fourth Proportional to 3,319,255.80, 4,967,414.90 and 1,990,513.40

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Solution

The fourth proportional to 3,319,255.80, 4,967,414.90 and 1,990,513.40 is: 2,978,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319,255.80 : 4,967,414.90 = 1,990,513.40 : x
  2. Step 2: Convert to fraction form
    3,319,255.80/4,967,414.90 = 1,990,513.40/x
  3. Step 3: Cross multiply
    3,319,255.80x = 4,967,414.90 × 1,990,513.40
  4. Step 4: Simplify right side
    3,319,255.80x = 9,887,705,921,809.66
  5. Step 5: Solve for x
    x = 9,887,705,921,809.66/3,319,255.80
  6. Step 6: Final answer
    x = 2,978,892.41

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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.