Home / 2,176,977.24-3,265,499.34-829,215

Finding the Fourth Proportional to 2,176,977.24, 3,265,499.34 and 829,215

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Solution

The fourth proportional to 2,176,977.24, 3,265,499.34 and 829,215 is: 1,243,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176,977.24 : 3,265,499.34 = 829,215 : x
  2. Step 2: Convert to fraction form
    2,176,977.24/3,265,499.34 = 829,215/x
  3. Step 3: Cross multiply
    2,176,977.24x = 3,265,499.34 × 829,215
  4. Step 4: Simplify right side
    2,176,977.24x = 2,707,801,035,218.10
  5. Step 5: Solve for x
    x = 2,707,801,035,218.10/2,176,977.24
  6. Step 6: Final answer
    x = 1,243,835.25

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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.