Home / 3,212,385.85-4,809,111.45-2,813,805.10

Finding the Fourth Proportional to 3,212,385.85, 4,809,111.45 and 2,813,805.10

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Solution

The fourth proportional to 3,212,385.85, 4,809,111.45 and 2,813,805.10 is: 4,212,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212,385.85 : 4,809,111.45 = 2,813,805.10 : x
  2. Step 2: Convert to fraction form
    3,212,385.85/4,809,111.45 = 2,813,805.10/x
  3. Step 3: Cross multiply
    3,212,385.85x = 4,809,111.45 × 2,813,805.10
  4. Step 4: Simplify right side
    3,212,385.85x = 13,531,902,324,478.40
  5. Step 5: Solve for x
    x = 13,531,902,324,478.40/3,212,385.85
  6. Step 6: Final answer
    x = 4,212,415.00

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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.