Home / 2,809,968.71-4,214,953.24-680,053.19

Finding the Fourth Proportional to 2,809,968.71, 4,214,953.24 and 680,053.19

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Solution

The fourth proportional to 2,809,968.71, 4,214,953.24 and 680,053.19 is: 1,020,079.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,968.71 : 4,214,953.24 = 680,053.19 : x
  2. Step 2: Convert to fraction form
    2,809,968.71/4,214,953.24 = 680,053.19/x
  3. Step 3: Cross multiply
    2,809,968.71x = 4,214,953.24 × 680,053.19
  4. Step 4: Simplify right side
    2,809,968.71x = 2,866,392,396,562.84
  5. Step 5: Solve for x
    x = 2,866,392,396,562.84/2,809,968.71
  6. Step 6: Final answer
    x = 1,020,079.83

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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.