Home / 2,138,710.74-3,208,066.14-718,766.86

Finding the Fourth Proportional to 2,138,710.74, 3,208,066.14 and 718,766.86

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Solution

The fourth proportional to 2,138,710.74, 3,208,066.14 and 718,766.86 is: 1,078,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,710.74 : 3,208,066.14 = 718,766.86 : x
  2. Step 2: Convert to fraction form
    2,138,710.74/3,208,066.14 = 718,766.86/x
  3. Step 3: Cross multiply
    2,138,710.74x = 3,208,066.14 × 718,766.86
  4. Step 4: Simplify right side
    2,138,710.74x = 2,305,851,626,120.12
  5. Step 5: Solve for x
    x = 2,305,851,626,120.12/2,138,710.74
  6. Step 6: Final answer
    x = 1,078,150.30

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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.