Home / 2,180,709.90-3,271,552.70-664,511.49

Finding the Fourth Proportional to 2,180,709.90, 3,271,552.70 and 664,511.49

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Solution

The fourth proportional to 2,180,709.90, 3,271,552.70 and 664,511.49 is: 996,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,709.90 : 3,271,552.70 = 664,511.49 : x
  2. Step 2: Convert to fraction form
    2,180,709.90/3,271,552.70 = 664,511.49/x
  3. Step 3: Cross multiply
    2,180,709.90x = 3,271,552.70 × 664,511.49
  4. Step 4: Simplify right side
    2,180,709.90x = 2,173,984,355,967.97
  5. Step 5: Solve for x
    x = 2,173,984,355,967.97/2,180,709.90
  6. Step 6: Final answer
    x = 996,915.89

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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.