Home / 1,992,581.36-2,988,650.56-713,137.16

Finding the Fourth Proportional to 1,992,581.36, 2,988,650.56 and 713,137.16

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Solution

The fourth proportional to 1,992,581.36, 2,988,650.56 and 713,137.16 is: 1,069,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,581.36 : 2,988,650.56 = 713,137.16 : x
  2. Step 2: Convert to fraction form
    1,992,581.36/2,988,650.56 = 713,137.16/x
  3. Step 3: Cross multiply
    1,992,581.36x = 2,988,650.56 × 713,137.16
  4. Step 4: Simplify right side
    1,992,581.36x = 2,131,317,772,590.81
  5. Step 5: Solve for x
    x = 2,131,317,772,590.81/1,992,581.36
  6. Step 6: Final answer
    x = 1,069,626.47

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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.