Home / 5,447,812.95-8,171,697.56-1,661,284.89

Finding the Fourth Proportional to 5,447,812.95, 8,171,697.56 and 1,661,284.89

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Solution

The fourth proportional to 5,447,812.95, 8,171,697.56 and 1,661,284.89 is: 2,491,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447,812.95 : 8,171,697.56 = 1,661,284.89 : x
  2. Step 2: Convert to fraction form
    5,447,812.95/8,171,697.56 = 1,661,284.89/x
  3. Step 3: Cross multiply
    5,447,812.95x = 8,171,697.56 × 1,661,284.89
  4. Step 4: Simplify right side
    5,447,812.95x = 13,575,517,673,771.44
  5. Step 5: Solve for x
    x = 13,575,517,673,771.44/5,447,812.95
  6. Step 6: Final answer
    x = 2,491,920.67

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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.