Home / 4,120,821.40-6,181,232.10-3,664,175.80

Finding the Fourth Proportional to 4,120,821.40, 6,181,232.10 and 3,664,175.80

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Solution

The fourth proportional to 4,120,821.40, 6,181,232.10 and 3,664,175.80 is: 5,496,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,821.40 : 6,181,232.10 = 3,664,175.80 : x
  2. Step 2: Convert to fraction form
    4,120,821.40/6,181,232.10 = 3,664,175.80/x
  3. Step 3: Cross multiply
    4,120,821.40x = 6,181,232.10 × 3,664,175.80
  4. Step 4: Simplify right side
    4,120,821.40x = 22,649,121,075,003.18
  5. Step 5: Solve for x
    x = 22,649,121,075,003.18/4,120,821.40
  6. Step 6: Final answer
    x = 5,496,263.70

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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.