Home / 6,172,896.72-8,518,595.98-3,419,762.90

Finding the Fourth Proportional to 6,172,896.72, 8,518,595.98 and 3,419,762.90

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Solution

The fourth proportional to 6,172,896.72, 8,518,595.98 and 3,419,762.90 is: 4,719,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,896.72 : 8,518,595.98 = 3,419,762.90 : x
  2. Step 2: Convert to fraction form
    6,172,896.72/8,518,595.98 = 3,419,762.90/x
  3. Step 3: Cross multiply
    6,172,896.72x = 8,518,595.98 × 3,419,762.90
  4. Step 4: Simplify right side
    6,172,896.72x = 29,131,578,492,493.14
  5. Step 5: Solve for x
    x = 29,131,578,492,493.14/6,172,896.72
  6. Step 6: Final answer
    x = 4,719,271.97

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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.