Home / 2,111,816.87-3,168,028.70-652,976.92

Finding the Fourth Proportional to 2,111,816.87, 3,168,028.70 and 652,976.92

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Solution

The fourth proportional to 2,111,816.87, 3,168,028.70 and 652,976.92 is: 979,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,816.87 : 3,168,028.70 = 652,976.92 : x
  2. Step 2: Convert to fraction form
    2,111,816.87/3,168,028.70 = 652,976.92/x
  3. Step 3: Cross multiply
    2,111,816.87x = 3,168,028.70 × 652,976.92
  4. Step 4: Simplify right side
    2,111,816.87x = 2,068,649,608,321.26
  5. Step 5: Solve for x
    x = 2,068,649,608,321.26/2,111,816.87
  6. Step 6: Final answer
    x = 979,559.18

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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.