Home / 1,929,070.97-2,661,873.25-1,057,676.35

Finding the Fourth Proportional to 1,929,070.97, 2,661,873.25 and 1,057,676.35

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Solution

The fourth proportional to 1,929,070.97, 2,661,873.25 and 1,057,676.35 is: 1,459,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,070.97 : 2,661,873.25 = 1,057,676.35 : x
  2. Step 2: Convert to fraction form
    1,929,070.97/2,661,873.25 = 1,057,676.35/x
  3. Step 3: Cross multiply
    1,929,070.97x = 2,661,873.25 × 1,057,676.35
  4. Step 4: Simplify right side
    1,929,070.97x = 2,815,400,383,222.64
  5. Step 5: Solve for x
    x = 2,815,400,383,222.64/1,929,070.97
  6. Step 6: Final answer
    x = 1,459,459.20

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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.