Finding the Fourth Proportional to 5,695,965.74, 7,860,419.46 and 3,117,623.96
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Solution
The fourth proportional to 5,695,965.74, 7,860,419.46 and 3,117,623.96 is: 4,302,313.80
Step by Step Solution
- Step 1: Write the proportion equation
5,695,965.74 : 7,860,419.46 = 3,117,623.96 : x - Step 2: Convert to fraction form
5,695,965.74/7,860,419.46 = 3,117,623.96/x - Step 3: Cross multiply
5,695,965.74x = 7,860,419.46 × 3,117,623.96 - Step 4: Simplify right side
5,695,965.74x = 24,505,832,004,844.16 - Step 5: Solve for x
x = 24,505,832,004,844.16/5,695,965.74 - Step 6: Final answer
x = 4,302,313.80
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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.