Home / 1,945,907.78-2,918,861.74-1,416,795.93

Finding the Fourth Proportional to 1,945,907.78, 2,918,861.74 and 1,416,795.93

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Solution

The fourth proportional to 1,945,907.78, 2,918,861.74 and 1,416,795.93 is: 2,125,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,907.78 : 2,918,861.74 = 1,416,795.93 : x
  2. Step 2: Convert to fraction form
    1,945,907.78/2,918,861.74 = 1,416,795.93/x
  3. Step 3: Cross multiply
    1,945,907.78x = 2,918,861.74 × 1,416,795.93
  4. Step 4: Simplify right side
    1,945,907.78x = 4,135,431,438,211.97
  5. Step 5: Solve for x
    x = 4,135,431,438,211.97/1,945,907.78
  6. Step 6: Final answer
    x = 2,125,193.95

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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.