Finding the Fourth Proportional to 4,288,936.22, 5,918,799.97 and 2,328,813.17
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Solution
The fourth proportional to 4,288,936.22, 5,918,799.97 and 2,328,813.17 is: 3,213,799.09
Step by Step Solution
- Step 1: Write the proportion equation
4,288,936.22 : 5,918,799.97 = 2,328,813.17 : x - Step 2: Convert to fraction form
4,288,936.22/5,918,799.97 = 2,328,813.17/x - Step 3: Cross multiply
4,288,936.22x = 5,918,799.97 × 2,328,813.17 - Step 4: Simplify right side
4,288,936.22x = 13,783,779,320,731.60 - Step 5: Solve for x
x = 13,783,779,320,731.60/4,288,936.22 - Step 6: Final answer
x = 3,213,799.09
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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.