Home / 2,063,126.80-3,094,690.20-643,171.60

Finding the Fourth Proportional to 2,063,126.80, 3,094,690.20 and 643,171.60

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Solution

The fourth proportional to 2,063,126.80, 3,094,690.20 and 643,171.60 is: 964,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063,126.80 : 3,094,690.20 = 643,171.60 : x
  2. Step 2: Convert to fraction form
    2,063,126.80/3,094,690.20 = 643,171.60/x
  3. Step 3: Cross multiply
    2,063,126.80x = 3,094,690.20 × 643,171.60
  4. Step 4: Simplify right side
    2,063,126.80x = 1,990,416,847,438.32
  5. Step 5: Solve for x
    x = 1,990,416,847,438.32/2,063,126.80
  6. Step 6: Final answer
    x = 964,757.40

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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.