Home / 3,115,909.05-4,674,300.98-985,771.05

Finding the Fourth Proportional to 3,115,909.05, 4,674,300.98 and 985,771.05

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Solution

The fourth proportional to 3,115,909.05, 4,674,300.98 and 985,771.05 is: 1,478,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,909.05 : 4,674,300.98 = 985,771.05 : x
  2. Step 2: Convert to fraction form
    3,115,909.05/4,674,300.98 = 985,771.05/x
  3. Step 3: Cross multiply
    3,115,909.05x = 4,674,300.98 × 985,771.05
  4. Step 4: Simplify right side
    3,115,909.05x = 4,607,790,580,141.77
  5. Step 5: Solve for x
    x = 4,607,790,580,141.77/3,115,909.05
  6. Step 6: Final answer
    x = 1,478,794.95

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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.