Home / 1,971,858.38-2,721,164.58-1,066,440.38

Finding the Fourth Proportional to 1,971,858.38, 2,721,164.58 and 1,066,440.38

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Solution

The fourth proportional to 1,971,858.38, 2,721,164.58 and 1,066,440.38 is: 1,471,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,858.38 : 2,721,164.58 = 1,066,440.38 : x
  2. Step 2: Convert to fraction form
    1,971,858.38/2,721,164.58 = 1,066,440.38/x
  3. Step 3: Cross multiply
    1,971,858.38x = 2,721,164.58 × 1,066,440.38
  4. Step 4: Simplify right side
    1,971,858.38x = 2,901,959,775,131.92
  5. Step 5: Solve for x
    x = 2,901,959,775,131.92/1,971,858.38
  6. Step 6: Final answer
    x = 1,471,687.73

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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.