Home / 1,992,274.57-2,985,670.81-853,673.77

Finding the Fourth Proportional to 1,992,274.57, 2,985,670.81 and 853,673.77

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Solution

The fourth proportional to 1,992,274.57, 2,985,670.81 and 853,673.77 is: 1,279,336.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,274.57 : 2,985,670.81 = 853,673.77 : x
  2. Step 2: Convert to fraction form
    1,992,274.57/2,985,670.81 = 853,673.77/x
  3. Step 3: Cross multiply
    1,992,274.57x = 2,985,670.81 × 853,673.77
  4. Step 4: Simplify right side
    1,992,274.57x = 2,548,788,856,351.65
  5. Step 5: Solve for x
    x = 2,548,788,856,351.65/1,992,274.57
  6. Step 6: Final answer
    x = 1,279,336.14

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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.