Home / 3,485,479.50-5,220,647.55-1,684,586.34

Finding the Fourth Proportional to 3,485,479.50, 5,220,647.55 and 1,684,586.34

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Solution

The fourth proportional to 3,485,479.50, 5,220,647.55 and 1,684,586.34 is: 2,523,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485,479.50 : 5,220,647.55 = 1,684,586.34 : x
  2. Step 2: Convert to fraction form
    3,485,479.50/5,220,647.55 = 1,684,586.34/x
  3. Step 3: Cross multiply
    3,485,479.50x = 5,220,647.55 × 1,684,586.34
  4. Step 4: Simplify right side
    3,485,479.50x = 8,794,631,548,684.47
  5. Step 5: Solve for x
    x = 8,794,631,548,684.47/3,485,479.50
  6. Step 6: Final answer
    x = 2,523,219.99

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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.