Home / 3,450,185.76-5,168,645.76-1,929,255.76

Finding the Fourth Proportional to 3,450,185.76, 5,168,645.76 and 1,929,255.76

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Solution

The fourth proportional to 3,450,185.76, 5,168,645.76 and 1,929,255.76 is: 2,890,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450,185.76 : 5,168,645.76 = 1,929,255.76 : x
  2. Step 2: Convert to fraction form
    3,450,185.76/5,168,645.76 = 1,929,255.76/x
  3. Step 3: Cross multiply
    3,450,185.76x = 5,168,645.76 × 1,929,255.76
  4. Step 4: Simplify right side
    3,450,185.76x = 9,971,639,603,879.58
  5. Step 5: Solve for x
    x = 9,971,639,603,879.58/3,450,185.76
  6. Step 6: Final answer
    x = 2,890,174.70

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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.