Home / 3,168,773.79-4,372,789.75-1,878,842.31

Finding the Fourth Proportional to 3,168,773.79, 4,372,789.75 and 1,878,842.31

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Solution

The fourth proportional to 3,168,773.79, 4,372,789.75 and 1,878,842.31 is: 2,592,732.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168,773.79 : 4,372,789.75 = 1,878,842.31 : x
  2. Step 2: Convert to fraction form
    3,168,773.79/4,372,789.75 = 1,878,842.31/x
  3. Step 3: Cross multiply
    3,168,773.79x = 4,372,789.75 × 1,878,842.31
  4. Step 4: Simplify right side
    3,168,773.79x = 8,215,782,395,034.32
  5. Step 5: Solve for x
    x = 8,215,782,395,034.32/3,168,773.79
  6. Step 6: Final answer
    x = 2,592,732.38

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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.