Home / 2,085,957.29-3,129,421.19-646,564.34

Finding the Fourth Proportional to 2,085,957.29, 3,129,421.19 and 646,564.34

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Solution

The fourth proportional to 2,085,957.29, 3,129,421.19 and 646,564.34 is: 969,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,957.29 : 3,129,421.19 = 646,564.34 : x
  2. Step 2: Convert to fraction form
    2,085,957.29/3,129,421.19 = 646,564.34/x
  3. Step 3: Cross multiply
    2,085,957.29x = 3,129,421.19 × 646,564.34
  4. Step 4: Simplify right side
    2,085,957.29x = 2,023,372,127,414.44
  5. Step 5: Solve for x
    x = 2,023,372,127,414.44/2,085,957.29
  6. Step 6: Final answer
    x = 969,996.91

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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.