Home / 2,670,285.36-3,998,785.01-1,867,809.45

Finding the Fourth Proportional to 2,670,285.36, 3,998,785.01 and 1,867,809.45

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Solution

The fourth proportional to 2,670,285.36, 3,998,785.01 and 1,867,809.45 is: 2,797,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,285.36 : 3,998,785.01 = 1,867,809.45 : x
  2. Step 2: Convert to fraction form
    2,670,285.36/3,998,785.01 = 1,867,809.45/x
  3. Step 3: Cross multiply
    2,670,285.36x = 3,998,785.01 × 1,867,809.45
  4. Step 4: Simplify right side
    2,670,285.36x = 7,468,968,435,852.74
  5. Step 5: Solve for x
    x = 7,468,968,435,852.74/2,670,285.36
  6. Step 6: Final answer
    x = 2,797,067.51

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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.