Home / 3,564,343.48-5,343,693.98-1,289,513.56

Finding the Fourth Proportional to 3,564,343.48, 5,343,693.98 and 1,289,513.56

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Solution

The fourth proportional to 3,564,343.48, 5,343,693.98 and 1,289,513.56 is: 1,933,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564,343.48 : 5,343,693.98 = 1,289,513.56 : x
  2. Step 2: Convert to fraction form
    3,564,343.48/5,343,693.98 = 1,289,513.56/x
  3. Step 3: Cross multiply
    3,564,343.48x = 5,343,693.98 × 1,289,513.56
  4. Step 4: Simplify right side
    3,564,343.48x = 6,890,765,837,564.92
  5. Step 5: Solve for x
    x = 6,890,765,837,564.92/3,564,343.48
  6. Step 6: Final answer
    x = 1,933,249.67

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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.