Home / 4,647,629.72-6,411,856.22-2,808,895.76

Finding the Fourth Proportional to 4,647,629.72, 6,411,856.22 and 2,808,895.76

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Solution

The fourth proportional to 4,647,629.72, 6,411,856.22 and 2,808,895.76 is: 3,875,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647,629.72 : 6,411,856.22 = 2,808,895.76 : x
  2. Step 2: Convert to fraction form
    4,647,629.72/6,411,856.22 = 2,808,895.76/x
  3. Step 3: Cross multiply
    4,647,629.72x = 6,411,856.22 × 2,808,895.76
  4. Step 4: Simplify right side
    4,647,629.72x = 18,010,235,750,087.62
  5. Step 5: Solve for x
    x = 18,010,235,750,087.62/4,647,629.72
  6. Step 6: Final answer
    x = 3,875,144.29

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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.