Home / 5,674,619.19-7,821,824.22-3,838,406.70

Finding the Fourth Proportional to 5,674,619.19, 7,821,824.22 and 3,838,406.70

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Solution

The fourth proportional to 5,674,619.19, 7,821,824.22 and 3,838,406.70 is: 5,290,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674,619.19 : 7,821,824.22 = 3,838,406.70 : x
  2. Step 2: Convert to fraction form
    5,674,619.19/7,821,824.22 = 3,838,406.70/x
  3. Step 3: Cross multiply
    5,674,619.19x = 7,821,824.22 × 3,838,406.70
  4. Step 4: Simplify right side
    5,674,619.19x = 30,023,342,492,270.27
  5. Step 5: Solve for x
    x = 30,023,342,492,270.27/5,674,619.19
  6. Step 6: Final answer
    x = 5,290,811.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.