Home / 5,424,778.80-8,134,211.70-1,637,769.60

Finding the Fourth Proportional to 5,424,778.80, 8,134,211.70 and 1,637,769.60

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Solution

The fourth proportional to 5,424,778.80, 8,134,211.70 and 1,637,769.60 is: 2,455,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,778.80 : 8,134,211.70 = 1,637,769.60 : x
  2. Step 2: Convert to fraction form
    5,424,778.80/8,134,211.70 = 1,637,769.60/x
  3. Step 3: Cross multiply
    5,424,778.80x = 8,134,211.70 × 1,637,769.60
  4. Step 4: Simplify right side
    5,424,778.80x = 13,321,964,642,224.32
  5. Step 5: Solve for x
    x = 13,321,964,642,224.32/5,424,778.80
  6. Step 6: Final answer
    x = 2,455,761.82

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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.