Home / 2,128,998.92-3,192,316.88-708,279.44

Finding the Fourth Proportional to 2,128,998.92, 3,192,316.88 and 708,279.44

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Solution

The fourth proportional to 2,128,998.92, 3,192,316.88 and 708,279.44 is: 1,062,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,998.92 : 3,192,316.88 = 708,279.44 : x
  2. Step 2: Convert to fraction form
    2,128,998.92/3,192,316.88 = 708,279.44/x
  3. Step 3: Cross multiply
    2,128,998.92x = 3,192,316.88 × 708,279.44
  4. Step 4: Simplify right side
    2,128,998.92x = 2,261,052,412,068.95
  5. Step 5: Solve for x
    x = 2,261,052,412,068.95/2,128,998.92
  6. Step 6: Final answer
    x = 1,062,026.10

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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.