Home / 1,664,979.49-2,296,112.43-1,105,183.90

Finding the Fourth Proportional to 1,664,979.49, 2,296,112.43 and 1,105,183.90

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Solution

The fourth proportional to 1,664,979.49, 2,296,112.43 and 1,105,183.90 is: 1,524,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,979.49 : 2,296,112.43 = 1,105,183.90 : x
  2. Step 2: Convert to fraction form
    1,664,979.49/2,296,112.43 = 1,105,183.90/x
  3. Step 3: Cross multiply
    1,664,979.49x = 2,296,112.43 × 1,105,183.90
  4. Step 4: Simplify right side
    1,664,979.49x = 2,537,626,490,225.88
  5. Step 5: Solve for x
    x = 2,537,626,490,225.88/1,664,979.49
  6. Step 6: Final answer
    x = 1,524,118.77

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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.