Home / 2,166,149.76-3,246,920.64-817,739.52

Finding the Fourth Proportional to 2,166,149.76, 3,246,920.64 and 817,739.52

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Solution

The fourth proportional to 2,166,149.76, 3,246,920.64 and 817,739.52 is: 1,225,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,149.76 : 3,246,920.64 = 817,739.52 : x
  2. Step 2: Convert to fraction form
    2,166,149.76/3,246,920.64 = 817,739.52/x
  3. Step 3: Cross multiply
    2,166,149.76x = 3,246,920.64 × 817,739.52
  4. Step 4: Simplify right side
    2,166,149.76x = 2,655,135,325,631.69
  5. Step 5: Solve for x
    x = 2,655,135,325,631.69/2,166,149.76
  6. Step 6: Final answer
    x = 1,225,739.50

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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.