Home / 2,157,581.43-3,235,811.72-640,907.87

Finding the Fourth Proportional to 2,157,581.43, 3,235,811.72 and 640,907.87

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Solution

The fourth proportional to 2,157,581.43, 3,235,811.72 and 640,907.87 is: 961,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,581.43 : 3,235,811.72 = 640,907.87 : x
  2. Step 2: Convert to fraction form
    2,157,581.43/3,235,811.72 = 640,907.87/x
  3. Step 3: Cross multiply
    2,157,581.43x = 3,235,811.72 × 640,907.87
  4. Step 4: Simplify right side
    2,157,581.43x = 2,073,857,177,802.64
  5. Step 5: Solve for x
    x = 2,073,857,177,802.64/2,157,581.43
  6. Step 6: Final answer
    x = 961,195.32

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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.