Home / 2,089,617.58-2,883,702.77-1,218,428.56

Finding the Fourth Proportional to 2,089,617.58, 2,883,702.77 and 1,218,428.56

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Solution

The fourth proportional to 2,089,617.58, 2,883,702.77 and 1,218,428.56 is: 1,681,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,617.58 : 2,883,702.77 = 1,218,428.56 : x
  2. Step 2: Convert to fraction form
    2,089,617.58/2,883,702.77 = 1,218,428.56/x
  3. Step 3: Cross multiply
    2,089,617.58x = 2,883,702.77 × 1,218,428.56
  4. Step 4: Simplify right side
    2,089,617.58x = 3,513,585,813,519.11
  5. Step 5: Solve for x
    x = 3,513,585,813,519.11/2,089,617.58
  6. Step 6: Final answer
    x = 1,681,449.20

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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.