Home / 1,960,742.66-2,705,906.22-1,089,574.10

Finding the Fourth Proportional to 1,960,742.66, 2,705,906.22 and 1,089,574.10

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Solution

The fourth proportional to 1,960,742.66, 2,705,906.22 and 1,089,574.10 is: 1,503,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,742.66 : 2,705,906.22 = 1,089,574.10 : x
  2. Step 2: Convert to fraction form
    1,960,742.66/2,705,906.22 = 1,089,574.10/x
  3. Step 3: Cross multiply
    1,960,742.66x = 2,705,906.22 × 1,089,574.10
  4. Step 4: Simplify right side
    1,960,742.66x = 2,948,285,331,616.97
  5. Step 5: Solve for x
    x = 2,948,285,331,616.97/1,960,742.66
  6. Step 6: Final answer
    x = 1,503,657.46

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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.