Finding the Fourth Proportional to 5,398,917.12, 8,098,174.08 and 1,355,431.68
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Solution
The fourth proportional to 5,398,917.12, 8,098,174.08 and 1,355,431.68 is: 2,033,096.91
Step by Step Solution
- Step 1: Write the proportion equation
5,398,917.12 : 8,098,174.08 = 1,355,431.68 : x - Step 2: Convert to fraction form
5,398,917.12/8,098,174.08 = 1,355,431.68/x - Step 3: Cross multiply
5,398,917.12x = 8,098,174.08 × 1,355,431.68 - Step 4: Simplify right side
5,398,917.12x = 10,976,521,698,186.85 - Step 5: Solve for x
x = 10,976,521,698,186.85/5,398,917.12 - Step 6: Final answer
x = 2,033,096.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.