Home / 1,800,105.14-2,700,085.66-992,091.31

Finding the Fourth Proportional to 1,800,105.14, 2,700,085.66 and 992,091.31

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Solution

The fourth proportional to 1,800,105.14, 2,700,085.66 and 992,091.31 is: 1,488,097.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,105.14 : 2,700,085.66 = 992,091.31 : x
  2. Step 2: Convert to fraction form
    1,800,105.14/2,700,085.66 = 992,091.31/x
  3. Step 3: Cross multiply
    1,800,105.14x = 2,700,085.66 × 992,091.31
  4. Step 4: Simplify right side
    1,800,105.14x = 2,678,731,519,541.61
  5. Step 5: Solve for x
    x = 2,678,731,519,541.61/1,800,105.14
  6. Step 6: Final answer
    x = 1,488,097.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.