Home / 5,434,597.19-8,151,890.49-1,391,078.54

Finding the Fourth Proportional to 5,434,597.19, 8,151,890.49 and 1,391,078.54

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Solution

The fourth proportional to 5,434,597.19, 8,151,890.49 and 1,391,078.54 is: 2,086,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434,597.19 : 8,151,890.49 = 1,391,078.54 : x
  2. Step 2: Convert to fraction form
    5,434,597.19/8,151,890.49 = 1,391,078.54/x
  3. Step 3: Cross multiply
    5,434,597.19x = 8,151,890.49 × 1,391,078.54
  4. Step 4: Simplify right side
    5,434,597.19x = 11,339,919,880,309.63
  5. Step 5: Solve for x
    x = 11,339,919,880,309.63/5,434,597.19
  6. Step 6: Final answer
    x = 2,086,616.45

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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.