Home / 2,636,712.90-3,955,040.46-2,000,922.21

Finding the Fourth Proportional to 2,636,712.90, 3,955,040.46 and 2,000,922.21

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Solution

The fourth proportional to 2,636,712.90, 3,955,040.46 and 2,000,922.21 is: 3,001,361.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636,712.90 : 3,955,040.46 = 2,000,922.21 : x
  2. Step 2: Convert to fraction form
    2,636,712.90/3,955,040.46 = 2,000,922.21/x
  3. Step 3: Cross multiply
    2,636,712.90x = 3,955,040.46 × 2,000,922.21
  4. Step 4: Simplify right side
    2,636,712.90x = 7,913,728,297,862.62
  5. Step 5: Solve for x
    x = 7,913,728,297,862.62/2,636,712.90
  6. Step 6: Final answer
    x = 3,001,361.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.