Home / 2,947,486.91-4,067,503.22-1,640,718.23

Finding the Fourth Proportional to 2,947,486.91, 4,067,503.22 and 1,640,718.23

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Solution

The fourth proportional to 2,947,486.91, 4,067,503.22 and 1,640,718.23 is: 2,264,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,486.91 : 4,067,503.22 = 1,640,718.23 : x
  2. Step 2: Convert to fraction form
    2,947,486.91/4,067,503.22 = 1,640,718.23/x
  3. Step 3: Cross multiply
    2,947,486.91x = 4,067,503.22 × 1,640,718.23
  4. Step 4: Simplify right side
    2,947,486.91x = 6,673,626,667,401.98
  5. Step 5: Solve for x
    x = 6,673,626,667,401.98/2,947,486.91
  6. Step 6: Final answer
    x = 2,264,175.17

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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.