Home / 3,217,812.12-4,826,715.24-821,657.16

Finding the Fourth Proportional to 3,217,812.12, 4,826,715.24 and 821,657.16

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Solution

The fourth proportional to 3,217,812.12, 4,826,715.24 and 821,657.16 is: 1,232,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217,812.12 : 4,826,715.24 = 821,657.16 : x
  2. Step 2: Convert to fraction form
    3,217,812.12/4,826,715.24 = 821,657.16/x
  3. Step 3: Cross multiply
    3,217,812.12x = 4,826,715.24 × 821,657.16
  4. Step 4: Simplify right side
    3,217,812.12x = 3,965,905,136,227.12
  5. Step 5: Solve for x
    x = 3,965,905,136,227.12/3,217,812.12
  6. Step 6: Final answer
    x = 1,232,484.99

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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.