Home / 1,608,653.82-2,219,386.68-1,028,216.46

Finding the Fourth Proportional to 1,608,653.82, 2,219,386.68 and 1,028,216.46

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Solution

The fourth proportional to 1,608,653.82, 2,219,386.68 and 1,028,216.46 is: 1,418,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,653.82 : 2,219,386.68 = 1,028,216.46 : x
  2. Step 2: Convert to fraction form
    1,608,653.82/2,219,386.68 = 1,028,216.46/x
  3. Step 3: Cross multiply
    1,608,653.82x = 2,219,386.68 × 1,028,216.46
  4. Step 4: Simplify right side
    1,608,653.82x = 2,282,009,915,480.75
  5. Step 5: Solve for x
    x = 2,282,009,915,480.75/1,608,653.82
  6. Step 6: Final answer
    x = 1,418,583.59

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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.