Home / 1,811,401.67-2,718,449.46-731,923.61

Finding the Fourth Proportional to 1,811,401.67, 2,718,449.46 and 731,923.61

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Solution

The fourth proportional to 1,811,401.67, 2,718,449.46 and 731,923.61 is: 1,098,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,401.67 : 2,718,449.46 = 731,923.61 : x
  2. Step 2: Convert to fraction form
    1,811,401.67/2,718,449.46 = 731,923.61/x
  3. Step 3: Cross multiply
    1,811,401.67x = 2,718,449.46 × 731,923.61
  4. Step 4: Simplify right side
    1,811,401.67x = 1,989,697,342,365.75
  5. Step 5: Solve for x
    x = 1,989,697,342,365.75/1,811,401.67
  6. Step 6: Final answer
    x = 1,098,429.67

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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.