Home / 2,861,531.55-3,949,133.23-1,638,220.75

Finding the Fourth Proportional to 2,861,531.55, 3,949,133.23 and 1,638,220.75

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Solution

The fourth proportional to 2,861,531.55, 3,949,133.23 and 1,638,220.75 is: 2,260,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,531.55 : 3,949,133.23 = 1,638,220.75 : x
  2. Step 2: Convert to fraction form
    2,861,531.55/3,949,133.23 = 1,638,220.75/x
  3. Step 3: Cross multiply
    2,861,531.55x = 3,949,133.23 × 1,638,220.75
  4. Step 4: Simplify right side
    2,861,531.55x = 6,469,551,994,075.47
  5. Step 5: Solve for x
    x = 6,469,551,994,075.47/2,861,531.55
  6. Step 6: Final answer
    x = 2,260,870.40

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