Finding the Fourth Proportional to 4,368,861.20, 6,552,125.40 and 1,336,221.20
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Solution
The fourth proportional to 4,368,861.20, 6,552,125.40 and 1,336,221.20 is: 2,003,975.06
Step by Step Solution
- Step 1: Write the proportion equation
4,368,861.20 : 6,552,125.40 = 1,336,221.20 : x - Step 2: Convert to fraction form
4,368,861.20/6,552,125.40 = 1,336,221.20/x - Step 3: Cross multiply
4,368,861.20x = 6,552,125.40 × 1,336,221.20 - Step 4: Simplify right side
4,368,861.20x = 8,755,088,864,538.48 - Step 5: Solve for x
x = 8,755,088,864,538.48/4,368,861.20 - Step 6: Final answer
x = 2,003,975.06
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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.