Home / 3,616,063.43-4,989,837.65-2,145,718.58

Finding the Fourth Proportional to 3,616,063.43, 4,989,837.65 and 2,145,718.58

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Solution

The fourth proportional to 3,616,063.43, 4,989,837.65 and 2,145,718.58 is: 2,960,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,063.43 : 4,989,837.65 = 2,145,718.58 : x
  2. Step 2: Convert to fraction form
    3,616,063.43/4,989,837.65 = 2,145,718.58/x
  3. Step 3: Cross multiply
    3,616,063.43x = 4,989,837.65 × 2,145,718.58
  4. Step 4: Simplify right side
    3,616,063.43x = 10,706,787,321,110.76
  5. Step 5: Solve for x
    x = 10,706,787,321,110.76/3,616,063.43
  6. Step 6: Final answer
    x = 2,960,895.89

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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.