Home / 1,608,656.82-2,219,390.82-1,028,219.46

Finding the Fourth Proportional to 1,608,656.82, 2,219,390.82 and 1,028,219.46

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Solution

The fourth proportional to 1,608,656.82, 2,219,390.82 and 1,028,219.46 is: 1,418,587.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,656.82 : 2,219,390.82 = 1,028,219.46 : x
  2. Step 2: Convert to fraction form
    1,608,656.82/2,219,390.82 = 1,028,219.46/x
  3. Step 3: Cross multiply
    1,608,656.82x = 2,219,390.82 × 1,028,219.46
  4. Step 4: Simplify right side
    1,608,656.82x = 2,282,020,830,469.36
  5. Step 5: Solve for x
    x = 2,282,020,830,469.36/1,608,656.82
  6. Step 6: Final answer
    x = 1,418,587.73

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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.