Home / 5,139,961.50-7,093,302.39-2,847,907.74

Finding the Fourth Proportional to 5,139,961.50, 7,093,302.39 and 2,847,907.74

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Solution

The fourth proportional to 5,139,961.50, 7,093,302.39 and 2,847,907.74 is: 3,930,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,961.50 : 7,093,302.39 = 2,847,907.74 : x
  2. Step 2: Convert to fraction form
    5,139,961.50/7,093,302.39 = 2,847,907.74/x
  3. Step 3: Cross multiply
    5,139,961.50x = 7,093,302.39 × 2,847,907.74
  4. Step 4: Simplify right side
    5,139,961.50x = 20,201,070,778,641.50
  5. Step 5: Solve for x
    x = 20,201,070,778,641.50/5,139,961.50
  6. Step 6: Final answer
    x = 3,930,198.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.