Home / 2,117,600.12-3,176,993.10-856,313.48

Finding the Fourth Proportional to 2,117,600.12, 3,176,993.10 and 856,313.48

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Solution

The fourth proportional to 2,117,600.12, 3,176,993.10 and 856,313.48 is: 1,284,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,600.12 : 3,176,993.10 = 856,313.48 : x
  2. Step 2: Convert to fraction form
    2,117,600.12/3,176,993.10 = 856,313.48/x
  3. Step 3: Cross multiply
    2,117,600.12x = 3,176,993.10 × 856,313.48
  4. Step 4: Simplify right side
    2,117,600.12x = 2,720,502,017,396.99
  5. Step 5: Solve for x
    x = 2,720,502,017,396.99/2,117,600.12
  6. Step 6: Final answer
    x = 1,284,709.98

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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.