Home / 2,808,131.73-4,212,197.91-786,676.08

Finding the Fourth Proportional to 2,808,131.73, 4,212,197.91 and 786,676.08

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Solution

The fourth proportional to 2,808,131.73, 4,212,197.91 and 786,676.08 is: 1,180,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,131.73 : 4,212,197.91 = 786,676.08 : x
  2. Step 2: Convert to fraction form
    2,808,131.73/4,212,197.91 = 786,676.08/x
  3. Step 3: Cross multiply
    2,808,131.73x = 4,212,197.91 × 786,676.08
  4. Step 4: Simplify right side
    2,808,131.73x = 3,313,635,355,818.74
  5. Step 5: Solve for x
    x = 3,313,635,355,818.74/2,808,131.73
  6. Step 6: Final answer
    x = 1,180,014.22

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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.