Finding the Fourth Proportional to 5,389,827.70, 8,084,741.55 and 5,177,251.30
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Solution
The fourth proportional to 5,389,827.70, 8,084,741.55 and 5,177,251.30 is: 7,765,876.95
Step by Step Solution
- Step 1: Write the proportion equation
5,389,827.70 : 8,084,741.55 = 5,177,251.30 : x - Step 2: Convert to fraction form
5,389,827.70/8,084,741.55 = 5,177,251.30/x - Step 3: Cross multiply
5,389,827.70x = 8,084,741.55 × 5,177,251.30 - Step 4: Simplify right side
5,389,827.70x = 41,856,738,699,901.52 - Step 5: Solve for x
x = 41,856,738,699,901.52/5,389,827.70 - Step 6: Final answer
x = 7,765,876.95
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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.