Home / 2,477,069.80-3,418,736.74-1,389,781.48

Finding the Fourth Proportional to 2,477,069.80, 3,418,736.74 and 1,389,781.48

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Solution

The fourth proportional to 2,477,069.80, 3,418,736.74 and 1,389,781.48 is: 1,918,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477,069.80 : 3,418,736.74 = 1,389,781.48 : x
  2. Step 2: Convert to fraction form
    2,477,069.80/3,418,736.74 = 1,389,781.48/x
  3. Step 3: Cross multiply
    2,477,069.80x = 3,418,736.74 × 1,389,781.48
  4. Step 4: Simplify right side
    2,477,069.80x = 4,751,297,006,247.58
  5. Step 5: Solve for x
    x = 4,751,297,006,247.58/2,477,069.80
  6. Step 6: Final answer
    x = 1,918,111.88

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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.