Home / 2,915,067.42-4,021,708.59-1,690,686.36

Finding the Fourth Proportional to 2,915,067.42, 4,021,708.59 and 1,690,686.36

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Solution

The fourth proportional to 2,915,067.42, 4,021,708.59 and 1,690,686.36 is: 2,332,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,067.42 : 4,021,708.59 = 1,690,686.36 : x
  2. Step 2: Convert to fraction form
    2,915,067.42/4,021,708.59 = 1,690,686.36/x
  3. Step 3: Cross multiply
    2,915,067.42x = 4,021,708.59 × 1,690,686.36
  4. Step 4: Simplify right side
    2,915,067.42x = 6,799,447,857,007.83
  5. Step 5: Solve for x
    x = 6,799,447,857,007.83/2,915,067.42
  6. Step 6: Final answer
    x = 2,332,518.22

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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.