Home / 3,218,571.83-4,441,707.42-1,768,361.20

Finding the Fourth Proportional to 3,218,571.83, 4,441,707.42 and 1,768,361.20

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Solution

The fourth proportional to 3,218,571.83, 4,441,707.42 and 1,768,361.20 is: 2,440,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,571.83 : 4,441,707.42 = 1,768,361.20 : x
  2. Step 2: Convert to fraction form
    3,218,571.83/4,441,707.42 = 1,768,361.20/x
  3. Step 3: Cross multiply
    3,218,571.83x = 4,441,707.42 × 1,768,361.20
  4. Step 4: Simplify right side
    3,218,571.83x = 7,854,543,063,280.10
  5. Step 5: Solve for x
    x = 7,854,543,063,280.10/3,218,571.83
  6. Step 6: Final answer
    x = 2,440,381.47

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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.