Home / 5,159,959.23-7,120,748.34-2,836,891.32

Finding the Fourth Proportional to 5,159,959.23, 7,120,748.34 and 2,836,891.32

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Solution

The fourth proportional to 5,159,959.23, 7,120,748.34 and 2,836,891.32 is: 3,914,912.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,959.23 : 7,120,748.34 = 2,836,891.32 : x
  2. Step 2: Convert to fraction form
    5,159,959.23/7,120,748.34 = 2,836,891.32/x
  3. Step 3: Cross multiply
    5,159,959.23x = 7,120,748.34 × 2,836,891.32
  4. Step 4: Simplify right side
    5,159,959.23x = 20,200,789,130,947.60
  5. Step 5: Solve for x
    x = 20,200,789,130,947.60/5,159,959.23
  6. Step 6: Final answer
    x = 3,914,912.54

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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.