Home / 5,212,387.50-7,811,771.95-2,906,788.61

Finding the Fourth Proportional to 5,212,387.50, 7,811,771.95 and 2,906,788.61

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Solution

The fourth proportional to 5,212,387.50, 7,811,771.95 and 2,906,788.61 is: 4,356,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,387.50 : 7,811,771.95 = 2,906,788.61 : x
  2. Step 2: Convert to fraction form
    5,212,387.50/7,811,771.95 = 2,906,788.61/x
  3. Step 3: Cross multiply
    5,212,387.50x = 7,811,771.95 × 2,906,788.61
  4. Step 4: Simplify right side
    5,212,387.50x = 22,707,169,728,177.49
  5. Step 5: Solve for x
    x = 22,707,169,728,177.49/5,212,387.50
  6. Step 6: Final answer
    x = 4,356,385.58

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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.