Home / 2,117,064.65-3,174,596.42-820,823.67

Finding the Fourth Proportional to 2,117,064.65, 3,174,596.42 and 820,823.67

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Solution

The fourth proportional to 2,117,064.65, 3,174,596.42 and 820,823.67 is: 1,230,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,064.65 : 3,174,596.42 = 820,823.67 : x
  2. Step 2: Convert to fraction form
    2,117,064.65/3,174,596.42 = 820,823.67/x
  3. Step 3: Cross multiply
    2,117,064.65x = 3,174,596.42 × 820,823.67
  4. Step 4: Simplify right side
    2,117,064.65x = 2,605,783,880,129.14
  5. Step 5: Solve for x
    x = 2,605,783,880,129.14/2,117,064.65
  6. Step 6: Final answer
    x = 1,230,847.57

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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.