Home / 1,640,793.60-2,456,894.16-1,319,236.56

Finding the Fourth Proportional to 1,640,793.60, 2,456,894.16 and 1,319,236.56

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Solution

The fourth proportional to 1,640,793.60, 2,456,894.16 and 1,319,236.56 is: 1,975,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,793.60 : 2,456,894.16 = 1,319,236.56 : x
  2. Step 2: Convert to fraction form
    1,640,793.60/2,456,894.16 = 1,319,236.56/x
  3. Step 3: Cross multiply
    1,640,793.60x = 2,456,894.16 × 1,319,236.56
  4. Step 4: Simplify right side
    1,640,793.60x = 3,241,224,599,922.49
  5. Step 5: Solve for x
    x = 3,241,224,599,922.49/1,640,793.60
  6. Step 6: Final answer
    x = 1,975,400.56

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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.