Home / 1,618,388.16-2,233,895.52-939,192

Finding the Fourth Proportional to 1,618,388.16, 2,233,895.52 and 939,192

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Solution

The fourth proportional to 1,618,388.16, 2,233,895.52 and 939,192 is: 1,296,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,388.16 : 2,233,895.52 = 939,192 : x
  2. Step 2: Convert to fraction form
    1,618,388.16/2,233,895.52 = 939,192/x
  3. Step 3: Cross multiply
    1,618,388.16x = 2,233,895.52 × 939,192
  4. Step 4: Simplify right side
    1,618,388.16x = 2,098,056,801,219.84
  5. Step 5: Solve for x
    x = 2,098,056,801,219.84/1,618,388.16
  6. Step 6: Final answer
    x = 1,296,386.65

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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.