Home / 5,150,482.90-7,726,432.57-1,911,745.38

Finding the Fourth Proportional to 5,150,482.90, 7,726,432.57 and 1,911,745.38

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Solution

The fourth proportional to 5,150,482.90, 7,726,432.57 and 1,911,745.38 is: 2,867,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150,482.90 : 7,726,432.57 = 1,911,745.38 : x
  2. Step 2: Convert to fraction form
    5,150,482.90/7,726,432.57 = 1,911,745.38/x
  3. Step 3: Cross multiply
    5,150,482.90x = 7,726,432.57 × 1,911,745.38
  4. Step 4: Simplify right side
    5,150,482.90x = 14,770,971,769,579.03
  5. Step 5: Solve for x
    x = 14,770,971,769,579.03/5,150,482.90
  6. Step 6: Final answer
    x = 2,867,880.95

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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.