Home / 3,209,925.34-4,816,974.45-1,390,067.56

Finding the Fourth Proportional to 3,209,925.34, 4,816,974.45 and 1,390,067.56

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Solution

The fourth proportional to 3,209,925.34, 4,816,974.45 and 1,390,067.56 is: 2,086,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,925.34 : 4,816,974.45 = 1,390,067.56 : x
  2. Step 2: Convert to fraction form
    3,209,925.34/4,816,974.45 = 1,390,067.56/x
  3. Step 3: Cross multiply
    3,209,925.34x = 4,816,974.45 × 1,390,067.56
  4. Step 4: Simplify right side
    3,209,925.34x = 6,695,919,896,208.97
  5. Step 5: Solve for x
    x = 6,695,919,896,208.97/3,209,925.34
  6. Step 6: Final answer
    x = 2,086,004.87

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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.