Home / 3,819,615.94-5,728,208.55-1,260,353.80

Finding the Fourth Proportional to 3,819,615.94, 5,728,208.55 and 1,260,353.80

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Solution

The fourth proportional to 3,819,615.94, 5,728,208.55 and 1,260,353.80 is: 1,890,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,615.94 : 5,728,208.55 = 1,260,353.80 : x
  2. Step 2: Convert to fraction form
    3,819,615.94/5,728,208.55 = 1,260,353.80/x
  3. Step 3: Cross multiply
    3,819,615.94x = 5,728,208.55 × 1,260,353.80
  4. Step 4: Simplify right side
    3,819,615.94x = 7,219,569,413,184.99
  5. Step 5: Solve for x
    x = 7,219,569,413,184.99/3,819,615.94
  6. Step 6: Final answer
    x = 1,890,129.67

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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.