Home / 3,847,296.11-5,309,424.92-2,128,387.01

Finding the Fourth Proportional to 3,847,296.11, 5,309,424.92 and 2,128,387.01

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Solution

The fourth proportional to 3,847,296.11, 5,309,424.92 and 2,128,387.01 is: 2,937,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,296.11 : 5,309,424.92 = 2,128,387.01 : x
  2. Step 2: Convert to fraction form
    3,847,296.11/5,309,424.92 = 2,128,387.01/x
  3. Step 3: Cross multiply
    3,847,296.11x = 5,309,424.92 × 2,128,387.01
  4. Step 4: Simplify right side
    3,847,296.11x = 11,300,511,009,072.13
  5. Step 5: Solve for x
    x = 11,300,511,009,072.13/3,847,296.11
  6. Step 6: Final answer
    x = 2,937,260.53

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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.