Home / 3,138,168.80-4,708,055.10-1,008,273.80

Finding the Fourth Proportional to 3,138,168.80, 4,708,055.10 and 1,008,273.80

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Solution

The fourth proportional to 3,138,168.80, 4,708,055.10 and 1,008,273.80 is: 1,512,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,168.80 : 4,708,055.10 = 1,008,273.80 : x
  2. Step 2: Convert to fraction form
    3,138,168.80/4,708,055.10 = 1,008,273.80/x
  3. Step 3: Cross multiply
    3,138,168.80x = 4,708,055.10 × 1,008,273.80
  4. Step 4: Simplify right side
    3,138,168.80x = 4,747,008,606,286.38
  5. Step 5: Solve for x
    x = 4,747,008,606,286.38/3,138,168.80
  6. Step 6: Final answer
    x = 1,512,668.35

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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.