Finding the Fourth Proportional to 5,158,965.62, 7,738,439.28 and 1,372,448.48
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Solution
The fourth proportional to 5,158,965.62, 7,738,439.28 and 1,372,448.48 is: 2,058,670.29
Step by Step Solution
- Step 1: Write the proportion equation
5,158,965.62 : 7,738,439.28 = 1,372,448.48 : x - Step 2: Convert to fraction form
5,158,965.62/7,738,439.28 = 1,372,448.48/x - Step 3: Cross multiply
5,158,965.62x = 7,738,439.28 × 1,372,448.48 - Step 4: Simplify right side
5,158,965.62x = 10,620,609,227,408.29 - Step 5: Solve for x
x = 10,620,609,227,408.29/5,158,965.62 - Step 6: Final answer
x = 2,058,670.29
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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.