Home / 2,063,203.80-3,094,805.70-643,248.60

Finding the Fourth Proportional to 2,063,203.80, 3,094,805.70 and 643,248.60

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Solution

The fourth proportional to 2,063,203.80, 3,094,805.70 and 643,248.60 is: 964,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063,203.80 : 3,094,805.70 = 643,248.60 : x
  2. Step 2: Convert to fraction form
    2,063,203.80/3,094,805.70 = 643,248.60/x
  3. Step 3: Cross multiply
    2,063,203.80x = 3,094,805.70 × 643,248.60
  4. Step 4: Simplify right side
    2,063,203.80x = 1,990,729,433,797.02
  5. Step 5: Solve for x
    x = 1,990,729,433,797.02/2,063,203.80
  6. Step 6: Final answer
    x = 964,872.90

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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.