Home / 3,885,969.17-5,362,394.72-2,143,658.72

Finding the Fourth Proportional to 3,885,969.17, 5,362,394.72 and 2,143,658.72

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Solution

The fourth proportional to 3,885,969.17, 5,362,394.72 and 2,143,658.72 is: 2,958,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,969.17 : 5,362,394.72 = 2,143,658.72 : x
  2. Step 2: Convert to fraction form
    3,885,969.17/5,362,394.72 = 2,143,658.72/x
  3. Step 3: Cross multiply
    3,885,969.17x = 5,362,394.72 × 2,143,658.72
  4. Step 4: Simplify right side
    3,885,969.17x = 11,495,144,204,297.65
  5. Step 5: Solve for x
    x = 11,495,144,204,297.65/3,885,969.17
  6. Step 6: Final answer
    x = 2,958,115.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.