Home / 1,618,830.82-2,233,989.84-893,679.54

Finding the Fourth Proportional to 1,618,830.82, 2,233,989.84 and 893,679.54

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Solution

The fourth proportional to 1,618,830.82, 2,233,989.84 and 893,679.54 is: 1,233,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,830.82 : 2,233,989.84 = 893,679.54 : x
  2. Step 2: Convert to fraction form
    1,618,830.82/2,233,989.84 = 893,679.54/x
  3. Step 3: Cross multiply
    1,618,830.82x = 2,233,989.84 × 893,679.54
  4. Step 4: Simplify right side
    1,618,830.82x = 1,996,471,012,575.87
  5. Step 5: Solve for x
    x = 1,996,471,012,575.87/1,618,830.82
  6. Step 6: Final answer
    x = 1,233,279.59

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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.