Home / 1,918,622.82-2,647,630.11-1,059,164.64

Finding the Fourth Proportional to 1,918,622.82, 2,647,630.11 and 1,059,164.64

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Solution

The fourth proportional to 1,918,622.82, 2,647,630.11 and 1,059,164.64 is: 1,461,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,622.82 : 2,647,630.11 = 1,059,164.64 : x
  2. Step 2: Convert to fraction form
    1,918,622.82/2,647,630.11 = 1,059,164.64/x
  3. Step 3: Cross multiply
    1,918,622.82x = 2,647,630.11 × 1,059,164.64
  4. Step 4: Simplify right side
    1,918,622.82x = 2,804,276,192,311.31
  5. Step 5: Solve for x
    x = 2,804,276,192,311.31/1,918,622.82
  6. Step 6: Final answer
    x = 1,461,608.90

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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.