Finding the Fourth Proportional to 5,341,839.05, 7,371,744.36 and 2,894,448.17
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Solution
The fourth proportional to 5,341,839.05, 7,371,744.36 and 2,894,448.17 is: 3,994,341.99
Step by Step Solution
- Step 1: Write the proportion equation
5,341,839.05 : 7,371,744.36 = 2,894,448.17 : x - Step 2: Convert to fraction form
5,341,839.05/7,371,744.36 = 2,894,448.17/x - Step 3: Cross multiply
5,341,839.05x = 7,371,744.36 × 2,894,448.17 - Step 4: Simplify right side
5,341,839.05x = 21,337,131,983,774.32 - Step 5: Solve for x
x = 21,337,131,983,774.32/5,341,839.05 - Step 6: Final answer
x = 3,994,341.99
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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.