Home / 2,099,890.80-3,150,295.52-680,090.40

Finding the Fourth Proportional to 2,099,890.80, 3,150,295.52 and 680,090.40

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Solution

The fourth proportional to 2,099,890.80, 3,150,295.52 and 680,090.40 is: 1,020,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099,890.80 : 3,150,295.52 = 680,090.40 : x
  2. Step 2: Convert to fraction form
    2,099,890.80/3,150,295.52 = 680,090.40/x
  3. Step 3: Cross multiply
    2,099,890.80x = 3,150,295.52 × 680,090.40
  4. Step 4: Simplify right side
    2,099,890.80x = 2,142,485,740,315.01
  5. Step 5: Solve for x
    x = 2,142,485,740,315.01/2,099,890.80
  6. Step 6: Final answer
    x = 1,020,284.36

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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.