Home / 1,981,804.56-2,736,023.40-1,304,709.36

Finding the Fourth Proportional to 1,981,804.56, 2,736,023.40 and 1,304,709.36

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Solution

The fourth proportional to 1,981,804.56, 2,736,023.40 and 1,304,709.36 is: 1,801,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,804.56 : 2,736,023.40 = 1,304,709.36 : x
  2. Step 2: Convert to fraction form
    1,981,804.56/2,736,023.40 = 1,304,709.36/x
  3. Step 3: Cross multiply
    1,981,804.56x = 2,736,023.40 × 1,304,709.36
  4. Step 4: Simplify right side
    1,981,804.56x = 3,569,715,339,159.02
  5. Step 5: Solve for x
    x = 3,569,715,339,159.02/1,981,804.56
  6. Step 6: Final answer
    x = 1,801,244.89

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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.