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Finding the Fourth Proportional to 3,441,265.74, 4,747,602.66 and 1,970,388.22

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Solution

The fourth proportional to 3,441,265.74, 4,747,602.66 and 1,970,388.22 is: 2,718,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441,265.74 : 4,747,602.66 = 1,970,388.22 : x
  2. Step 2: Convert to fraction form
    3,441,265.74/4,747,602.66 = 1,970,388.22/x
  3. Step 3: Cross multiply
    3,441,265.74x = 4,747,602.66 × 1,970,388.22
  4. Step 4: Simplify right side
    3,441,265.74x = 9,354,620,354,504.67
  5. Step 5: Solve for x
    x = 9,354,620,354,504.67/3,441,265.74
  6. Step 6: Final answer
    x = 2,718,366.17

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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.