Home / 1,971,868.39-2,721,178.38-1,066,450.39

Finding the Fourth Proportional to 1,971,868.39, 2,721,178.38 and 1,066,450.39

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Solution

The fourth proportional to 1,971,868.39, 2,721,178.38 and 1,066,450.39 is: 1,471,701.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,868.39 : 2,721,178.38 = 1,066,450.39 : x
  2. Step 2: Convert to fraction form
    1,971,868.39/2,721,178.38 = 1,066,450.39/x
  3. Step 3: Cross multiply
    1,971,868.39x = 2,721,178.38 × 1,066,450.39
  4. Step 4: Simplify right side
    1,971,868.39x = 2,902,001,744,610.57
  5. Step 5: Solve for x
    x = 2,902,001,744,610.57/1,971,868.39
  6. Step 6: Final answer
    x = 1,471,701.54

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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.