Home / 1,961,400.92-2,706,585.72-1,101,793.28

Finding the Fourth Proportional to 1,961,400.92, 2,706,585.72 and 1,101,793.28

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Solution

The fourth proportional to 1,961,400.92, 2,706,585.72 and 1,101,793.28 is: 1,520,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,400.92 : 2,706,585.72 = 1,101,793.28 : x
  2. Step 2: Convert to fraction form
    1,961,400.92/2,706,585.72 = 1,101,793.28/x
  3. Step 3: Cross multiply
    1,961,400.92x = 2,706,585.72 × 1,101,793.28
  4. Step 4: Simplify right side
    1,961,400.92x = 2,982,097,958,039.96
  5. Step 5: Solve for x
    x = 2,982,097,958,039.96/1,961,400.92
  6. Step 6: Final answer
    x = 1,520,391.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.