Finding the Fourth Proportional to 5,328,788.80, 7,994,349.60 and 2,634,404.80
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Solution
The fourth proportional to 5,328,788.80, 7,994,349.60 and 2,634,404.80 is: 3,952,183.84
Step by Step Solution
- Step 1: Write the proportion equation
5,328,788.80 : 7,994,349.60 = 2,634,404.80 : x - Step 2: Convert to fraction form
5,328,788.80/7,994,349.60 = 2,634,404.80/x - Step 3: Cross multiply
5,328,788.80x = 7,994,349.60 × 2,634,404.80 - Step 4: Simplify right side
5,328,788.80x = 21,060,352,959,118.08 - Step 5: Solve for x
x = 21,060,352,959,118.08/5,328,788.80 - Step 6: Final answer
x = 3,952,183.84
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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.