Home / 1,691,490.22-2,331,998.36-1,343,784.34

Finding the Fourth Proportional to 1,691,490.22, 2,331,998.36 and 1,343,784.34

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Solution

The fourth proportional to 1,691,490.22, 2,331,998.36 and 1,343,784.34 is: 1,852,628.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,490.22 : 2,331,998.36 = 1,343,784.34 : x
  2. Step 2: Convert to fraction form
    1,691,490.22/2,331,998.36 = 1,343,784.34/x
  3. Step 3: Cross multiply
    1,691,490.22x = 2,331,998.36 × 1,343,784.34
  4. Step 4: Simplify right side
    1,691,490.22x = 3,133,702,877,073.68
  5. Step 5: Solve for x
    x = 3,133,702,877,073.68/1,691,490.22
  6. Step 6: Final answer
    x = 1,852,628.43

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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.