Home / 3,909,046.40-5,394,683.13-2,254,578.23

Finding the Fourth Proportional to 3,909,046.40, 5,394,683.13 and 2,254,578.23

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Solution

The fourth proportional to 3,909,046.40, 5,394,683.13 and 2,254,578.23 is: 3,111,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,046.40 : 5,394,683.13 = 2,254,578.23 : x
  2. Step 2: Convert to fraction form
    3,909,046.40/5,394,683.13 = 2,254,578.23/x
  3. Step 3: Cross multiply
    3,909,046.40x = 5,394,683.13 × 2,254,578.23
  4. Step 4: Simplify right side
    3,909,046.40x = 12,162,735,147,678.30
  5. Step 5: Solve for x
    x = 12,162,735,147,678.30/3,909,046.40
  6. Step 6: Final answer
    x = 3,111,432.79

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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.