Finding the Fourth Proportional to 5,732,899.97, 7,911,729.30 and 3,285,918.62
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Solution
The fourth proportional to 5,732,899.97, 7,911,729.30 and 3,285,918.62 is: 4,534,755.32
Step by Step Solution
- Step 1: Write the proportion equation
5,732,899.97 : 7,911,729.30 = 3,285,918.62 : x - Step 2: Convert to fraction form
5,732,899.97/7,911,729.30 = 3,285,918.62/x - Step 3: Cross multiply
5,732,899.97x = 7,911,729.30 × 3,285,918.62 - Step 4: Simplify right side
5,732,899.97x = 25,997,298,623,269.57 - Step 5: Solve for x
x = 25,997,298,623,269.57/5,732,899.97 - Step 6: Final answer
x = 4,534,755.32
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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.