Home / 1,971,857.44-2,721,163.27-1,066,439.44

Finding the Fourth Proportional to 1,971,857.44, 2,721,163.27 and 1,066,439.44

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Solution

The fourth proportional to 1,971,857.44, 2,721,163.27 and 1,066,439.44 is: 1,471,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,857.44 : 2,721,163.27 = 1,066,439.44 : x
  2. Step 2: Convert to fraction form
    1,971,857.44/2,721,163.27 = 1,066,439.44/x
  3. Step 3: Cross multiply
    1,971,857.44x = 2,721,163.27 × 1,066,439.44
  4. Step 4: Simplify right side
    1,971,857.44x = 2,901,955,824,338.36
  5. Step 5: Solve for x
    x = 2,901,955,824,338.36/1,971,857.44
  6. Step 6: Final answer
    x = 1,471,686.43

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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.