Home / 2,079,296.66-3,119,240.61-640,100.14

Finding the Fourth Proportional to 2,079,296.66, 3,119,240.61 and 640,100.14

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Solution

The fourth proportional to 2,079,296.66, 3,119,240.61 and 640,100.14 is: 960,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,296.66 : 3,119,240.61 = 640,100.14 : x
  2. Step 2: Convert to fraction form
    2,079,296.66/3,119,240.61 = 640,100.14/x
  3. Step 3: Cross multiply
    2,079,296.66x = 3,119,240.61 × 640,100.14
  4. Step 4: Simplify right side
    2,079,296.66x = 1,996,626,343,356.58
  5. Step 5: Solve for x
    x = 1,996,626,343,356.58/2,079,296.66
  6. Step 6: Final answer
    x = 960,241.21

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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.