Home / 2,477,070.80-3,418,738.12-1,389,782.48

Finding the Fourth Proportional to 2,477,070.80, 3,418,738.12 and 1,389,782.48

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Solution

The fourth proportional to 2,477,070.80, 3,418,738.12 and 1,389,782.48 is: 1,918,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477,070.80 : 3,418,738.12 = 1,389,782.48 : x
  2. Step 2: Convert to fraction form
    2,477,070.80/3,418,738.12 = 1,389,782.48/x
  3. Step 3: Cross multiply
    2,477,070.80x = 3,418,738.12 × 1,389,782.48
  4. Step 4: Simplify right side
    2,477,070.80x = 4,751,302,342,884.14
  5. Step 5: Solve for x
    x = 4,751,302,342,884.14/2,477,070.80
  6. Step 6: Final answer
    x = 1,918,113.26

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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.