Home / 2,105,713.06-2,905,884.04-1,138,843.36

Finding the Fourth Proportional to 2,105,713.06, 2,905,884.04 and 1,138,843.36

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Solution

The fourth proportional to 2,105,713.06, 2,905,884.04 and 1,138,843.36 is: 1,571,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,713.06 : 2,905,884.04 = 1,138,843.36 : x
  2. Step 2: Convert to fraction form
    2,105,713.06/2,905,884.04 = 1,138,843.36/x
  3. Step 3: Cross multiply
    2,105,713.06x = 2,905,884.04 × 1,138,843.36
  4. Step 4: Simplify right side
    2,105,713.06x = 3,309,346,733,772.16
  5. Step 5: Solve for x
    x = 3,309,346,733,772.16/2,105,713.06
  6. Step 6: Final answer
    x = 1,571,603.84

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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.