Home / 1,689,447.11-2,331,495.09-925,500.47

Finding the Fourth Proportional to 1,689,447.11, 2,331,495.09 and 925,500.47

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Solution

The fourth proportional to 1,689,447.11, 2,331,495.09 and 925,500.47 is: 1,277,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,447.11 : 2,331,495.09 = 925,500.47 : x
  2. Step 2: Convert to fraction form
    1,689,447.11/2,331,495.09 = 925,500.47/x
  3. Step 3: Cross multiply
    1,689,447.11x = 2,331,495.09 × 925,500.47
  4. Step 4: Simplify right side
    1,689,447.11x = 2,157,799,789,940.22
  5. Step 5: Solve for x
    x = 2,157,799,789,940.22/1,689,447.11
  6. Step 6: Final answer
    x = 1,277,222.46

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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.