Home / 1,929,074.85-2,661,878.61-1,057,680.23

Finding the Fourth Proportional to 1,929,074.85, 2,661,878.61 and 1,057,680.23

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Solution

The fourth proportional to 1,929,074.85, 2,661,878.61 and 1,057,680.23 is: 1,459,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,074.85 : 2,661,878.61 = 1,057,680.23 : x
  2. Step 2: Convert to fraction form
    1,929,074.85/2,661,878.61 = 1,057,680.23/x
  3. Step 3: Cross multiply
    1,929,074.85x = 2,661,878.61 × 1,057,680.23
  4. Step 4: Simplify right side
    1,929,074.85x = 2,815,416,367,147.49
  5. Step 5: Solve for x
    x = 2,815,416,367,147.49/1,929,074.85
  6. Step 6: Final answer
    x = 1,459,464.55

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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.