Finding the Fourth Proportional to 5,186,088.05, 7,157,197.19 and 2,863,428.35
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Solution
The fourth proportional to 5,186,088.05, 7,157,197.19 and 2,863,428.35 is: 3,951,749.59
Step by Step Solution
- Step 1: Write the proportion equation
5,186,088.05 : 7,157,197.19 = 2,863,428.35 : x - Step 2: Convert to fraction form
5,186,088.05/7,157,197.19 = 2,863,428.35/x - Step 3: Cross multiply
5,186,088.05x = 7,157,197.19 × 2,863,428.35 - Step 4: Simplify right side
5,186,088.05x = 20,494,121,311,758.92 - Step 5: Solve for x
x = 20,494,121,311,758.92/5,186,088.05 - Step 6: Final answer
x = 3,951,749.59
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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.