Finding the Fourth Proportional to 5,114,607.81, 7,058,058.64 and 2,791,516.96
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Solution
The fourth proportional to 5,114,607.81, 7,058,058.64 and 2,791,516.96 is: 3,852,238.75
Step by Step Solution
- Step 1: Write the proportion equation
5,114,607.81 : 7,058,058.64 = 2,791,516.96 : x - Step 2: Convert to fraction form
5,114,607.81/7,058,058.64 = 2,791,516.96/x - Step 3: Cross multiply
5,114,607.81x = 7,058,058.64 × 2,791,516.96 - Step 4: Simplify right side
5,114,607.81x = 19,702,690,398,234.53 - Step 5: Solve for x
x = 19,702,690,398,234.53/5,114,607.81 - Step 6: Final answer
x = 3,852,238.75
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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.