Home / 1,864,305.74-2,794,686.87-1,188,490.34

Finding the Fourth Proportional to 1,864,305.74, 2,794,686.87 and 1,188,490.34

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Solution

The fourth proportional to 1,864,305.74, 2,794,686.87 and 1,188,490.34 is: 1,781,606.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,305.74 : 2,794,686.87 = 1,188,490.34 : x
  2. Step 2: Convert to fraction form
    1,864,305.74/2,794,686.87 = 1,188,490.34/x
  3. Step 3: Cross multiply
    1,864,305.74x = 2,794,686.87 × 1,188,490.34
  4. Step 4: Simplify right side
    1,864,305.74x = 3,321,458,348,319.84
  5. Step 5: Solve for x
    x = 3,321,458,348,319.84/1,864,305.74
  6. Step 6: Final answer
    x = 1,781,606.03

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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.