Home / 3,958,413-5,462,620.40-2,147,577

Finding the Fourth Proportional to 3,958,413, 5,462,620.40 and 2,147,577

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Solution

The fourth proportional to 3,958,413, 5,462,620.40 and 2,147,577 is: 2,963,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958,413 : 5,462,620.40 = 2,147,577 : x
  2. Step 2: Convert to fraction form
    3,958,413/5,462,620.40 = 2,147,577/x
  3. Step 3: Cross multiply
    3,958,413x = 5,462,620.40 × 2,147,577
  4. Step 4: Simplify right side
    3,958,413x = 11,731,397,930,770.80
  5. Step 5: Solve for x
    x = 11,731,397,930,770.80/3,958,413
  6. Step 6: Final answer
    x = 2,963,661.93

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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.