Home / 2,140,042.96-3,210,484.04-792,215.92

Finding the Fourth Proportional to 2,140,042.96, 3,210,484.04 and 792,215.92

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Solution

The fourth proportional to 2,140,042.96, 3,210,484.04 and 792,215.92 is: 1,188,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,042.96 : 3,210,484.04 = 792,215.92 : x
  2. Step 2: Convert to fraction form
    2,140,042.96/3,210,484.04 = 792,215.92/x
  3. Step 3: Cross multiply
    2,140,042.96x = 3,210,484.04 × 792,215.92
  4. Step 4: Simplify right side
    2,140,042.96x = 2,543,396,567,393.92
  5. Step 5: Solve for x
    x = 2,543,396,567,393.92/2,140,042.96
  6. Step 6: Final answer
    x = 1,188,479.21

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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.