Finding the Fourth Proportional to 6,331,319.96, 8,737,207.30 and 3,430,789.34
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Solution
The fourth proportional to 6,331,319.96, 8,737,207.30 and 3,430,789.34 is: 4,734,481.57
Step by Step Solution
- Step 1: Write the proportion equation
6,331,319.96 : 8,737,207.30 = 3,430,789.34 : x - Step 2: Convert to fraction form
6,331,319.96/8,737,207.30 = 3,430,789.34/x - Step 3: Cross multiply
6,331,319.96x = 8,737,207.30 × 3,430,789.34 - Step 4: Simplify right side
6,331,319.96x = 29,975,517,666,210.18 - Step 5: Solve for x
x = 29,975,517,666,210.18/6,331,319.96 - Step 6: Final answer
x = 4,734,481.57
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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.