Home / 4,839,978-6,679,560.12-2,775,185.69

Finding the Fourth Proportional to 4,839,978, 6,679,560.12 and 2,775,185.69

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Solution

The fourth proportional to 4,839,978, 6,679,560.12 and 2,775,185.69 is: 3,829,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839,978 : 6,679,560.12 = 2,775,185.69 : x
  2. Step 2: Convert to fraction form
    4,839,978/6,679,560.12 = 2,775,185.69/x
  3. Step 3: Cross multiply
    4,839,978x = 6,679,560.12 × 2,775,185.69
  4. Step 4: Simplify right side
    4,839,978x = 18,537,019,660,518.68
  5. Step 5: Solve for x
    x = 18,537,019,660,518.68/4,839,978
  6. Step 6: Final answer
    x = 3,829,980.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.