Home / 5,503,792.80-8,255,689.20-2,135,812.80

Finding the Fourth Proportional to 5,503,792.80, 8,255,689.20 and 2,135,812.80

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Solution

The fourth proportional to 5,503,792.80, 8,255,689.20 and 2,135,812.80 is: 3,203,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503,792.80 : 8,255,689.20 = 2,135,812.80 : x
  2. Step 2: Convert to fraction form
    5,503,792.80/8,255,689.20 = 2,135,812.80/x
  3. Step 3: Cross multiply
    5,503,792.80x = 8,255,689.20 × 2,135,812.80
  4. Step 4: Simplify right side
    5,503,792.80x = 17,632,606,666,181.76
  5. Step 5: Solve for x
    x = 17,632,606,666,181.76/5,503,792.80
  6. Step 6: Final answer
    x = 3,203,719.20

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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.