Home / 3,886,941.26-5,363,943.36-2,144,626.70

Finding the Fourth Proportional to 3,886,941.26, 5,363,943.36 and 2,144,626.70

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Solution

The fourth proportional to 3,886,941.26, 5,363,943.36 and 2,144,626.70 is: 2,959,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,941.26 : 5,363,943.36 = 2,144,626.70 : x
  2. Step 2: Convert to fraction form
    3,886,941.26/5,363,943.36 = 2,144,626.70/x
  3. Step 3: Cross multiply
    3,886,941.26x = 5,363,943.36 × 2,144,626.70
  4. Step 4: Simplify right side
    3,886,941.26x = 11,503,656,147,143.71
  5. Step 5: Solve for x
    x = 11,503,656,147,143.71/3,886,941.26
  6. Step 6: Final answer
    x = 2,959,565.22

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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.