Home / 2,140,043.96-3,210,485.54-792,216.92

Finding the Fourth Proportional to 2,140,043.96, 3,210,485.54 and 792,216.92

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Solution

The fourth proportional to 2,140,043.96, 3,210,485.54 and 792,216.92 is: 1,188,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,043.96 : 3,210,485.54 = 792,216.92 : x
  2. Step 2: Convert to fraction form
    2,140,043.96/3,210,485.54 = 792,216.92/x
  3. Step 3: Cross multiply
    2,140,043.96x = 3,210,485.54 × 792,216.92
  4. Step 4: Simplify right side
    2,140,043.96x = 2,543,400,966,203.34
  5. Step 5: Solve for x
    x = 2,543,400,966,203.34/2,140,043.96
  6. Step 6: Final answer
    x = 1,188,480.71

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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.