Home / 3,117,474-4,302,114.12-1,686,690

Finding the Fourth Proportional to 3,117,474, 4,302,114.12 and 1,686,690

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Solution

The fourth proportional to 3,117,474, 4,302,114.12 and 1,686,690 is: 2,327,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,474 : 4,302,114.12 = 1,686,690 : x
  2. Step 2: Convert to fraction form
    3,117,474/4,302,114.12 = 1,686,690/x
  3. Step 3: Cross multiply
    3,117,474x = 4,302,114.12 × 1,686,690
  4. Step 4: Simplify right side
    3,117,474x = 7,256,332,865,062.80
  5. Step 5: Solve for x
    x = 7,256,332,865,062.80/3,117,474
  6. Step 6: Final answer
    x = 2,327,632.20

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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.