Home / 3,221,989.62-4,446,361.71-1,771,778.58

Finding the Fourth Proportional to 3,221,989.62, 4,446,361.71 and 1,771,778.58

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Solution

The fourth proportional to 3,221,989.62, 4,446,361.71 and 1,771,778.58 is: 2,445,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,989.62 : 4,446,361.71 = 1,771,778.58 : x
  2. Step 2: Convert to fraction form
    3,221,989.62/4,446,361.71 = 1,771,778.58/x
  3. Step 3: Cross multiply
    3,221,989.62x = 4,446,361.71 × 1,771,778.58
  4. Step 4: Simplify right side
    3,221,989.62x = 7,877,968,436,710.17
  5. Step 5: Solve for x
    x = 7,877,968,436,710.17/3,221,989.62
  6. Step 6: Final answer
    x = 2,445,063.26

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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.