Home / 1,941,736.80-2,916,104.40-1,878,751.20

Finding the Fourth Proportional to 1,941,736.80, 2,916,104.40 and 1,878,751.20

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Solution

The fourth proportional to 1,941,736.80, 2,916,104.40 and 1,878,751.20 is: 2,821,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,736.80 : 2,916,104.40 = 1,878,751.20 : x
  2. Step 2: Convert to fraction form
    1,941,736.80/2,916,104.40 = 1,878,751.20/x
  3. Step 3: Cross multiply
    1,941,736.80x = 2,916,104.40 × 1,878,751.20
  4. Step 4: Simplify right side
    1,941,736.80x = 5,478,634,640,825.28
  5. Step 5: Solve for x
    x = 5,478,634,640,825.28/1,941,736.80
  6. Step 6: Final answer
    x = 2,821,512.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.