Home / 1,618,422.56-2,234,178.96-939,227.84

Finding the Fourth Proportional to 1,618,422.56, 2,234,178.96 and 939,227.84

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Solution

The fourth proportional to 1,618,422.56, 2,234,178.96 and 939,227.84 is: 1,296,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,422.56 : 2,234,178.96 = 939,227.84 : x
  2. Step 2: Convert to fraction form
    1,618,422.56/2,234,178.96 = 939,227.84/x
  3. Step 3: Cross multiply
    1,618,422.56x = 2,234,178.96 × 939,227.84
  4. Step 4: Simplify right side
    1,618,422.56x = 2,098,403,078,774.25
  5. Step 5: Solve for x
    x = 2,098,403,078,774.25/1,618,422.56
  6. Step 6: Final answer
    x = 1,296,573.05

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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.