Home / 2,515,021.08-3,470,729.04-1,369,109.76

Finding the Fourth Proportional to 2,515,021.08, 3,470,729.04 and 1,369,109.76

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Solution

The fourth proportional to 2,515,021.08, 3,470,729.04 and 1,369,109.76 is: 1,889,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,021.08 : 3,470,729.04 = 1,369,109.76 : x
  2. Step 2: Convert to fraction form
    2,515,021.08/3,470,729.04 = 1,369,109.76/x
  3. Step 3: Cross multiply
    2,515,021.08x = 3,470,729.04 × 1,369,109.76
  4. Step 4: Simplify right side
    2,515,021.08x = 4,751,809,002,979.43
  5. Step 5: Solve for x
    x = 4,751,809,002,979.43/2,515,021.08
  6. Step 6: Final answer
    x = 1,889,371.44

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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.