Home / 3,797,190.40-5,239,920.89-2,077,978.76

Finding the Fourth Proportional to 3,797,190.40, 5,239,920.89 and 2,077,978.76

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Solution

The fourth proportional to 3,797,190.40, 5,239,920.89 and 2,077,978.76 is: 2,867,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797,190.40 : 5,239,920.89 = 2,077,978.76 : x
  2. Step 2: Convert to fraction form
    3,797,190.40/5,239,920.89 = 2,077,978.76/x
  3. Step 3: Cross multiply
    3,797,190.40x = 5,239,920.89 × 2,077,978.76
  4. Step 4: Simplify right side
    3,797,190.40x = 10,888,444,303,110.40
  5. Step 5: Solve for x
    x = 10,888,444,303,110.40/3,797,190.40
  6. Step 6: Final answer
    x = 2,867,500.22

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Double scale
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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.