Home / 5,280,608.80-7,910,415.60-2,880,157.60

Finding the Fourth Proportional to 5,280,608.80, 7,910,415.60 and 2,880,157.60

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Solution

The fourth proportional to 5,280,608.80, 7,910,415.60 and 2,880,157.60 is: 4,314,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,608.80 : 7,910,415.60 = 2,880,157.60 : x
  2. Step 2: Convert to fraction form
    5,280,608.80/7,910,415.60 = 2,880,157.60/x
  3. Step 3: Cross multiply
    5,280,608.80x = 7,910,415.60 × 2,880,157.60
  4. Step 4: Simplify right side
    5,280,608.80x = 22,783,243,609,498.56
  5. Step 5: Solve for x
    x = 22,783,243,609,498.56/5,280,608.80
  6. Step 6: Final answer
    x = 4,314,510.78

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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.