Home / 2,620,772.82-3,931,181.10-727,661.88

Finding the Fourth Proportional to 2,620,772.82, 3,931,181.10 and 727,661.88

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Solution

The fourth proportional to 2,620,772.82, 3,931,181.10 and 727,661.88 is: 1,091,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,772.82 : 3,931,181.10 = 727,661.88 : x
  2. Step 2: Convert to fraction form
    2,620,772.82/3,931,181.10 = 727,661.88/x
  3. Step 3: Cross multiply
    2,620,772.82x = 3,931,181.10 × 727,661.88
  4. Step 4: Simplify right side
    2,620,772.82x = 2,860,570,629,846.47
  5. Step 5: Solve for x
    x = 2,860,570,629,846.47/2,620,772.82
  6. Step 6: Final answer
    x = 1,091,498.89

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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.