Finding the Fourth Proportional to 5,375,998.98, 7,418,875.28 and 2,961,550.98
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Solution
The fourth proportional to 5,375,998.98, 7,418,875.28 and 2,961,550.98 is: 4,086,938.53
Step by Step Solution
- Step 1: Write the proportion equation
5,375,998.98 : 7,418,875.28 = 2,961,550.98 : x - Step 2: Convert to fraction form
5,375,998.98/7,418,875.28 = 2,961,550.98/x - Step 3: Cross multiply
5,375,998.98x = 7,418,875.28 × 2,961,550.98 - Step 4: Simplify right side
5,375,998.98x = 21,971,377,355,981.77 - Step 5: Solve for x
x = 21,971,377,355,981.77/5,375,998.98 - Step 6: Final answer
x = 4,086,938.53
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1.5x scale
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.