Home / 3,945,147.45-5,917,779.50-1,105,080.09

Finding the Fourth Proportional to 3,945,147.45, 5,917,779.50 and 1,105,080.09

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Solution

The fourth proportional to 3,945,147.45, 5,917,779.50 and 1,105,080.09 is: 1,657,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,147.45 : 5,917,779.50 = 1,105,080.09 : x
  2. Step 2: Convert to fraction form
    3,945,147.45/5,917,779.50 = 1,105,080.09/x
  3. Step 3: Cross multiply
    3,945,147.45x = 5,917,779.50 × 1,105,080.09
  4. Step 4: Simplify right side
    3,945,147.45x = 6,539,620,302,460.16
  5. Step 5: Solve for x
    x = 6,539,620,302,460.16/3,945,147.45
  6. Step 6: Final answer
    x = 1,657,636.47

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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.