Home / 2,631,128.82-3,946,365.14-738,017.88

Finding the Fourth Proportional to 2,631,128.82, 3,946,365.14 and 738,017.88

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Solution

The fourth proportional to 2,631,128.82, 3,946,365.14 and 738,017.88 is: 1,106,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,128.82 : 3,946,365.14 = 738,017.88 : x
  2. Step 2: Convert to fraction form
    2,631,128.82/3,946,365.14 = 738,017.88/x
  3. Step 3: Cross multiply
    2,631,128.82x = 3,946,365.14 × 738,017.88
  4. Step 4: Simplify right side
    2,631,128.82x = 2,912,488,034,328.70
  5. Step 5: Solve for x
    x = 2,912,488,034,328.70/2,631,128.82
  6. Step 6: Final answer
    x = 1,106,934.79

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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.