Home / 3,673,211.20-5,509,816.80-2,660,192.80

Finding the Fourth Proportional to 3,673,211.20, 5,509,816.80 and 2,660,192.80

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Solution

The fourth proportional to 3,673,211.20, 5,509,816.80 and 2,660,192.80 is: 3,990,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673,211.20 : 5,509,816.80 = 2,660,192.80 : x
  2. Step 2: Convert to fraction form
    3,673,211.20/5,509,816.80 = 2,660,192.80/x
  3. Step 3: Cross multiply
    3,673,211.20x = 5,509,816.80 × 2,660,192.80
  4. Step 4: Simplify right side
    3,673,211.20x = 14,657,174,980,679.04
  5. Step 5: Solve for x
    x = 14,657,174,980,679.04/3,673,211.20
  6. Step 6: Final answer
    x = 3,990,289.20

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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.