Home / 1,947,440.16-2,921,314.32-685,550.88

Finding the Fourth Proportional to 1,947,440.16, 2,921,314.32 and 685,550.88

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Solution

The fourth proportional to 1,947,440.16, 2,921,314.32 and 685,550.88 is: 1,028,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,440.16 : 2,921,314.32 = 685,550.88 : x
  2. Step 2: Convert to fraction form
    1,947,440.16/2,921,314.32 = 685,550.88/x
  3. Step 3: Cross multiply
    1,947,440.16x = 2,921,314.32 × 685,550.88
  4. Step 4: Simplify right side
    1,947,440.16x = 2,002,709,602,832.60
  5. Step 5: Solve for x
    x = 2,002,709,602,832.60/1,947,440.16
  6. Step 6: Final answer
    x = 1,028,380.56

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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.