Home / 2,867,755.28-3,955,291.80-1,780,670.48

Finding the Fourth Proportional to 2,867,755.28, 3,955,291.80 and 1,780,670.48

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Solution

The fourth proportional to 2,867,755.28, 3,955,291.80 and 1,780,670.48 is: 2,455,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,755.28 : 3,955,291.80 = 1,780,670.48 : x
  2. Step 2: Convert to fraction form
    2,867,755.28/3,955,291.80 = 1,780,670.48/x
  3. Step 3: Cross multiply
    2,867,755.28x = 3,955,291.80 × 1,780,670.48
  4. Step 4: Simplify right side
    2,867,755.28x = 7,043,071,348,046.06
  5. Step 5: Solve for x
    x = 7,043,071,348,046.06/2,867,755.28
  6. Step 6: Final answer
    x = 2,455,952.71

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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.