Home / 5,424,770.80-8,134,199.70-1,637,761.60

Finding the Fourth Proportional to 5,424,770.80, 8,134,199.70 and 1,637,761.60

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Solution

The fourth proportional to 5,424,770.80, 8,134,199.70 and 1,637,761.60 is: 2,455,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,770.80 : 8,134,199.70 = 1,637,761.60 : x
  2. Step 2: Convert to fraction form
    5,424,770.80/8,134,199.70 = 1,637,761.60/x
  3. Step 3: Cross multiply
    5,424,770.80x = 8,134,199.70 × 1,637,761.60
  4. Step 4: Simplify right side
    5,424,770.80x = 13,321,879,915,391.52
  5. Step 5: Solve for x
    x = 13,321,879,915,391.52/5,424,770.80
  6. Step 6: Final answer
    x = 2,455,749.82

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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.