Home / 3,778,619.07-5,214,233.64-2,125,013.31

Finding the Fourth Proportional to 3,778,619.07, 5,214,233.64 and 2,125,013.31

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Solution

The fourth proportional to 3,778,619.07, 5,214,233.64 and 2,125,013.31 is: 2,932,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778,619.07 : 5,214,233.64 = 2,125,013.31 : x
  2. Step 2: Convert to fraction form
    3,778,619.07/5,214,233.64 = 2,125,013.31/x
  3. Step 3: Cross multiply
    3,778,619.07x = 5,214,233.64 × 2,125,013.31
  4. Step 4: Simplify right side
    3,778,619.07x = 11,080,315,886,449.75
  5. Step 5: Solve for x
    x = 11,080,315,886,449.75/3,778,619.07
  6. Step 6: Final answer
    x = 2,932,371.77

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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.