Home / 5,147,608.12-7,104,329.18-2,972,147.62

Finding the Fourth Proportional to 5,147,608.12, 7,104,329.18 and 2,972,147.62

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Solution

The fourth proportional to 5,147,608.12, 7,104,329.18 and 2,972,147.62 is: 4,101,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,608.12 : 7,104,329.18 = 2,972,147.62 : x
  2. Step 2: Convert to fraction form
    5,147,608.12/7,104,329.18 = 2,972,147.62/x
  3. Step 3: Cross multiply
    5,147,608.12x = 7,104,329.18 × 2,972,147.62
  4. Step 4: Simplify right side
    5,147,608.12x = 21,115,115,064,033.55
  5. Step 5: Solve for x
    x = 21,115,115,064,033.55/5,147,608.12
  6. Step 6: Final answer
    x = 4,101,927.45

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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.