Finding the Fourth Proportional to 1,950,172.62, 2,691,738.99 and 1,186,763.82
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Solution
The fourth proportional to 1,950,172.62, 2,691,738.99 and 1,186,763.82 is: 1,638,038.81
Step by Step Solution
- Step 1: Write the proportion equation
1,950,172.62 : 2,691,738.99 = 1,186,763.82 : x - Step 2: Convert to fraction form
1,950,172.62/2,691,738.99 = 1,186,763.82/x - Step 3: Cross multiply
1,950,172.62x = 2,691,738.99 × 1,186,763.82 - Step 4: Simplify right side
1,950,172.62x = 3,194,458,446,215.34 - Step 5: Solve for x
x = 3,194,458,446,215.34/1,950,172.62 - Step 6: Final answer
x = 1,638,038.81
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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.