Home / 2,142,619-3,214,829.64-1,333,679.68

Finding the Fourth Proportional to 2,142,619, 3,214,829.64 and 1,333,679.68

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Solution

The fourth proportional to 2,142,619, 3,214,829.64 and 1,333,679.68 is: 2,001,080.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,619 : 3,214,829.64 = 1,333,679.68 : x
  2. Step 2: Convert to fraction form
    2,142,619/3,214,829.64 = 1,333,679.68/x
  3. Step 3: Cross multiply
    2,142,619x = 3,214,829.64 × 1,333,679.68
  4. Step 4: Simplify right side
    2,142,619x = 4,287,552,965,529.72
  5. Step 5: Solve for x
    x = 4,287,552,965,529.72/2,142,619
  6. Step 6: Final answer
    x = 2,001,080.44

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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.