Home / 2,063,125.80-3,094,688.70-643,170.60

Finding the Fourth Proportional to 2,063,125.80, 3,094,688.70 and 643,170.60

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Solution

The fourth proportional to 2,063,125.80, 3,094,688.70 and 643,170.60 is: 964,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063,125.80 : 3,094,688.70 = 643,170.60 : x
  2. Step 2: Convert to fraction form
    2,063,125.80/3,094,688.70 = 643,170.60/x
  3. Step 3: Cross multiply
    2,063,125.80x = 3,094,688.70 × 643,170.60
  4. Step 4: Simplify right side
    2,063,125.80x = 1,990,412,787,992.22
  5. Step 5: Solve for x
    x = 1,990,412,787,992.22/2,063,125.80
  6. Step 6: Final answer
    x = 964,755.90

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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.