Home / 2,116,272.80-3,173,761.20-696,000.80

Finding the Fourth Proportional to 2,116,272.80, 3,173,761.20 and 696,000.80

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Solution

The fourth proportional to 2,116,272.80, 3,173,761.20 and 696,000.80 is: 1,043,788.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,272.80 : 3,173,761.20 = 696,000.80 : x
  2. Step 2: Convert to fraction form
    2,116,272.80/3,173,761.20 = 696,000.80/x
  3. Step 3: Cross multiply
    2,116,272.80x = 3,173,761.20 × 696,000.80
  4. Step 4: Simplify right side
    2,116,272.80x = 2,208,940,334,208.96
  5. Step 5: Solve for x
    x = 2,208,940,334,208.96/2,116,272.80
  6. Step 6: Final answer
    x = 1,043,788.09

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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.