Home / 5,219,215.29-7,826,261.65-2,144,649.14

Finding the Fourth Proportional to 5,219,215.29, 7,826,261.65 and 2,144,649.14

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Solution

The fourth proportional to 5,219,215.29, 7,826,261.65 and 2,144,649.14 is: 3,215,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219,215.29 : 7,826,261.65 = 2,144,649.14 : x
  2. Step 2: Convert to fraction form
    5,219,215.29/7,826,261.65 = 2,144,649.14/x
  3. Step 3: Cross multiply
    5,219,215.29x = 7,826,261.65 × 2,144,649.14
  4. Step 4: Simplify right side
    5,219,215.29x = 16,784,585,317,087.48
  5. Step 5: Solve for x
    x = 16,784,585,317,087.48/5,219,215.29
  6. Step 6: Final answer
    x = 3,215,921.24

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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.