Home / 2,136,107.74-2,947,833.03-1,169,299.75

Finding the Fourth Proportional to 2,136,107.74, 2,947,833.03 and 1,169,299.75

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Solution

The fourth proportional to 2,136,107.74, 2,947,833.03 and 1,169,299.75 is: 1,613,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,107.74 : 2,947,833.03 = 1,169,299.75 : x
  2. Step 2: Convert to fraction form
    2,136,107.74/2,947,833.03 = 1,169,299.75/x
  3. Step 3: Cross multiply
    2,136,107.74x = 2,947,833.03 × 1,169,299.75
  4. Step 4: Simplify right side
    2,136,107.74x = 3,446,900,425,020.74
  5. Step 5: Solve for x
    x = 3,446,900,425,020.74/2,136,107.74
  6. Step 6: Final answer
    x = 1,613,636.04

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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.