Finding the Fourth Proportional to 5,196,489.90, 7,170,865.94 and 2,873,248.32
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Solution
The fourth proportional to 5,196,489.90, 7,170,865.94 and 2,873,248.32 is: 3,964,922.27
Step by Step Solution
- Step 1: Write the proportion equation
5,196,489.90 : 7,170,865.94 = 2,873,248.32 : x - Step 2: Convert to fraction form
5,196,489.90/7,170,865.94 = 2,873,248.32/x - Step 3: Cross multiply
5,196,489.90x = 7,170,865.94 × 2,873,248.32 - Step 4: Simplify right side
5,196,489.90x = 20,603,678,515,050.22 - Step 5: Solve for x
x = 20,603,678,515,050.22/5,196,489.90 - Step 6: Final answer
x = 3,964,922.27
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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.