Home / 2,136,285.14-2,948,081.43-1,169,505.38

Finding the Fourth Proportional to 2,136,285.14, 2,948,081.43 and 1,169,505.38

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Solution

The fourth proportional to 2,136,285.14, 2,948,081.43 and 1,169,505.38 is: 1,613,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,285.14 : 2,948,081.43 = 1,169,505.38 : x
  2. Step 2: Convert to fraction form
    2,136,285.14/2,948,081.43 = 1,169,505.38/x
  3. Step 3: Cross multiply
    2,136,285.14x = 2,948,081.43 × 1,169,505.38
  4. Step 4: Simplify right side
    2,136,285.14x = 3,447,797,078,322.69
  5. Step 5: Solve for x
    x = 3,447,797,078,322.69/2,136,285.14
  6. Step 6: Final answer
    x = 1,613,921.77

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1.5x scale

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.