Home / 3,117,771-4,302,536.94-1,686,987

Finding the Fourth Proportional to 3,117,771, 4,302,536.94 and 1,686,987

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Solution

The fourth proportional to 3,117,771, 4,302,536.94 and 1,686,987 is: 2,328,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,771 : 4,302,536.94 = 1,686,987 : x
  2. Step 2: Convert to fraction form
    3,117,771/4,302,536.94 = 1,686,987/x
  3. Step 3: Cross multiply
    3,117,771x = 4,302,536.94 × 1,686,987
  4. Step 4: Simplify right side
    3,117,771x = 7,258,323,884,799.78
  5. Step 5: Solve for x
    x = 7,258,323,884,799.78/3,117,771
  6. Step 6: Final answer
    x = 2,328,049.07

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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.