Home / 3,829,873.46-5,285,162.25-2,111,153.90

Finding the Fourth Proportional to 3,829,873.46, 5,285,162.25 and 2,111,153.90

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Solution

The fourth proportional to 3,829,873.46, 5,285,162.25 and 2,111,153.90 is: 2,913,357.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829,873.46 : 5,285,162.25 = 2,111,153.90 : x
  2. Step 2: Convert to fraction form
    3,829,873.46/5,285,162.25 = 2,111,153.90/x
  3. Step 3: Cross multiply
    3,829,873.46x = 5,285,162.25 × 2,111,153.90
  4. Step 4: Simplify right side
    3,829,873.46x = 11,157,790,869,794.46
  5. Step 5: Solve for x
    x = 11,157,790,869,794.46/3,829,873.46
  6. Step 6: Final answer
    x = 2,913,357.58

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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.