Finding the Fourth Proportional to 6,178,713.96, 8,526,623.76 and 3,425,394.54
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Solution
The fourth proportional to 6,178,713.96, 8,526,623.76 and 3,425,394.54 is: 4,727,043.63
Step by Step Solution
- Step 1: Write the proportion equation
6,178,713.96 : 8,526,623.76 = 3,425,394.54 : x - Step 2: Convert to fraction form
6,178,713.96/8,526,623.76 = 3,425,394.54/x - Step 3: Cross multiply
6,178,713.96x = 8,526,623.76 × 3,425,394.54 - Step 4: Simplify right side
6,178,713.96x = 29,207,050,472,138.27 - Step 5: Solve for x
x = 29,207,050,472,138.27/6,178,713.96 - Step 6: Final answer
x = 4,727,043.63
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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.