Home / 5,387,098.43-7,434,352.87-2,939,867.11

Finding the Fourth Proportional to 5,387,098.43, 7,434,352.87 and 2,939,867.11

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Solution

The fourth proportional to 5,387,098.43, 7,434,352.87 and 2,939,867.11 is: 4,057,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,098.43 : 7,434,352.87 = 2,939,867.11 : x
  2. Step 2: Convert to fraction form
    5,387,098.43/7,434,352.87 = 2,939,867.11/x
  3. Step 3: Cross multiply
    5,387,098.43x = 7,434,352.87 × 2,939,867.11
  4. Step 4: Simplify right side
    5,387,098.43x = 21,856,009,486,647.11
  5. Step 5: Solve for x
    x = 21,856,009,486,647.11/5,387,098.43
  6. Step 6: Final answer
    x = 4,057,102.31

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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.