Home / 6,321,803.50-8,724,104.33-3,421,215.48

Finding the Fourth Proportional to 6,321,803.50, 8,724,104.33 and 3,421,215.48

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Solution

The fourth proportional to 6,321,803.50, 8,724,104.33 and 3,421,215.48 is: 4,721,285.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321,803.50 : 8,724,104.33 = 3,421,215.48 : x
  2. Step 2: Convert to fraction form
    6,321,803.50/8,724,104.33 = 3,421,215.48/x
  3. Step 3: Cross multiply
    6,321,803.50x = 8,724,104.33 × 3,421,215.48
  4. Step 4: Simplify right side
    6,321,803.50x = 29,847,040,782,931.03
  5. Step 5: Solve for x
    x = 29,847,040,782,931.03/6,321,803.50
  6. Step 6: Final answer
    x = 4,721,285.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.