Home / 3,572,286.73-4,930,178.31-2,121,987.89

Finding the Fourth Proportional to 3,572,286.73, 4,930,178.31 and 2,121,987.89

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Solution

The fourth proportional to 3,572,286.73, 4,930,178.31 and 2,121,987.89 is: 2,928,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,286.73 : 4,930,178.31 = 2,121,987.89 : x
  2. Step 2: Convert to fraction form
    3,572,286.73/4,930,178.31 = 2,121,987.89/x
  3. Step 3: Cross multiply
    3,572,286.73x = 4,930,178.31 × 2,121,987.89
  4. Step 4: Simplify right side
    3,572,286.73x = 10,461,778,658,750.73
  5. Step 5: Solve for x
    x = 10,461,778,658,750.73/3,572,286.73
  6. Step 6: Final answer
    x = 2,928,594.33

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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.