Home / 2,819,427.56-3,887,869-1,673,286.46

Finding the Fourth Proportional to 2,819,427.56, 3,887,869 and 1,673,286.46

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Solution

The fourth proportional to 2,819,427.56, 3,887,869 and 1,673,286.46 is: 2,307,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,427.56 : 3,887,869 = 1,673,286.46 : x
  2. Step 2: Convert to fraction form
    2,819,427.56/3,887,869 = 1,673,286.46/x
  3. Step 3: Cross multiply
    2,819,427.56x = 3,887,869 × 1,673,286.46
  4. Step 4: Simplify right side
    2,819,427.56x = 6,505,518,555,953.74
  5. Step 5: Solve for x
    x = 6,505,518,555,953.74/2,819,427.56
  6. Step 6: Final answer
    x = 2,307,389.86

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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.