Home / 2,089,520.40-2,883,570.03-1,218,331.02

Finding the Fourth Proportional to 2,089,520.40, 2,883,570.03 and 1,218,331.02

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Solution

The fourth proportional to 2,089,520.40, 2,883,570.03 and 1,218,331.02 is: 1,681,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089,520.40 : 2,883,570.03 = 1,218,331.02 : x
  2. Step 2: Convert to fraction form
    2,089,520.40/2,883,570.03 = 1,218,331.02/x
  3. Step 3: Cross multiply
    2,089,520.40x = 2,883,570.03 × 1,218,331.02
  4. Step 4: Simplify right side
    2,089,520.40x = 3,513,142,815,891.33
  5. Step 5: Solve for x
    x = 3,513,142,815,891.33/2,089,520.40
  6. Step 6: Final answer
    x = 1,681,315.39

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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.