Finding the Fourth Proportional to 2,169,213.75, 3,253,165.32 and 652,493.94
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Solution
The fourth proportional to 2,169,213.75, 3,253,165.32 and 652,493.94 is: 978,543.80
Step by Step Solution
- Step 1: Write the proportion equation
2,169,213.75 : 3,253,165.32 = 652,493.94 : x - Step 2: Convert to fraction form
2,169,213.75/3,253,165.32 = 652,493.94/x - Step 3: Cross multiply
2,169,213.75x = 3,253,165.32 × 652,493.94 - Step 4: Simplify right side
2,169,213.75x = 2,122,670,657,118.16 - Step 5: Solve for x
x = 2,122,670,657,118.16/2,169,213.75 - Step 6: Final answer
x = 978,543.80
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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.