Home / 2,720,839.30-4,080,274.80-1,100,928.40

Finding the Fourth Proportional to 2,720,839.30, 4,080,274.80 and 1,100,928.40

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Solution

The fourth proportional to 2,720,839.30, 4,080,274.80 and 1,100,928.40 is: 1,650,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,839.30 : 4,080,274.80 = 1,100,928.40 : x
  2. Step 2: Convert to fraction form
    2,720,839.30/4,080,274.80 = 1,100,928.40/x
  3. Step 3: Cross multiply
    2,720,839.30x = 4,080,274.80 × 1,100,928.40
  4. Step 4: Simplify right side
    2,720,839.30x = 4,492,090,407,124.32
  5. Step 5: Solve for x
    x = 4,492,090,407,124.32/2,720,839.30
  6. Step 6: Final answer
    x = 1,650,994.39

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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.