Home / 4,978,890.06-6,872,391.45-2,914,388.52

Finding the Fourth Proportional to 4,978,890.06, 6,872,391.45 and 2,914,388.52

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Solution

The fourth proportional to 4,978,890.06, 6,872,391.45 and 2,914,388.52 is: 4,022,747.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978,890.06 : 6,872,391.45 = 2,914,388.52 : x
  2. Step 2: Convert to fraction form
    4,978,890.06/6,872,391.45 = 2,914,388.52/x
  3. Step 3: Cross multiply
    4,978,890.06x = 6,872,391.45 × 2,914,388.52
  4. Step 4: Simplify right side
    4,978,890.06x = 20,028,818,746,826.16
  5. Step 5: Solve for x
    x = 20,028,818,746,826.16/4,978,890.06
  6. Step 6: Final answer
    x = 4,022,747.74

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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.