Home / 1,627,890.40-2,246,446.20-902,736.28

Finding the Fourth Proportional to 1,627,890.40, 2,246,446.20 and 902,736.28

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Solution

The fourth proportional to 1,627,890.40, 2,246,446.20 and 902,736.28 is: 1,245,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627,890.40 : 2,246,446.20 = 902,736.28 : x
  2. Step 2: Convert to fraction form
    1,627,890.40/2,246,446.20 = 902,736.28/x
  3. Step 3: Cross multiply
    1,627,890.40x = 2,246,446.20 × 902,736.28
  4. Step 4: Simplify right side
    1,627,890.40x = 2,027,948,485,808.14
  5. Step 5: Solve for x
    x = 2,027,948,485,808.14/1,627,890.40
  6. Step 6: Final answer
    x = 1,245,752.47

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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.