Home / 5,432,879.70-8,149,319.55-3,519,692.10

Finding the Fourth Proportional to 5,432,879.70, 8,149,319.55 and 3,519,692.10

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Solution

The fourth proportional to 5,432,879.70, 8,149,319.55 and 3,519,692.10 is: 5,279,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,879.70 : 8,149,319.55 = 3,519,692.10 : x
  2. Step 2: Convert to fraction form
    5,432,879.70/8,149,319.55 = 3,519,692.10/x
  3. Step 3: Cross multiply
    5,432,879.70x = 8,149,319.55 × 3,519,692.10
  4. Step 4: Simplify right side
    5,432,879.70x = 28,683,095,640,510.55
  5. Step 5: Solve for x
    x = 28,683,095,640,510.55/5,432,879.70
  6. Step 6: Final answer
    x = 5,279,538.15

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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.