Home / 2,819,476.70-3,890,773.54-1,530,289.44

Finding the Fourth Proportional to 2,819,476.70, 3,890,773.54 and 1,530,289.44

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Solution

The fourth proportional to 2,819,476.70, 3,890,773.54 and 1,530,289.44 is: 2,111,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,476.70 : 3,890,773.54 = 1,530,289.44 : x
  2. Step 2: Convert to fraction form
    2,819,476.70/3,890,773.54 = 1,530,289.44/x
  3. Step 3: Cross multiply
    2,819,476.70x = 3,890,773.54 × 1,530,289.44
  4. Step 4: Simplify right side
    2,819,476.70x = 5,954,009,661,693.42
  5. Step 5: Solve for x
    x = 5,954,009,661,693.42/2,819,476.70
  6. Step 6: Final answer
    x = 2,111,742.81

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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.