Finding the Fourth Proportional to 5,667,138.44, 7,820,656.98 and 3,088,821.32
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Solution
The fourth proportional to 5,667,138.44, 7,820,656.98 and 3,088,821.32 is: 4,262,576.66
Step by Step Solution
- Step 1: Write the proportion equation
5,667,138.44 : 7,820,656.98 = 3,088,821.32 : x - Step 2: Convert to fraction form
5,667,138.44/7,820,656.98 = 3,088,821.32/x - Step 3: Cross multiply
5,667,138.44x = 7,820,656.98 × 3,088,821.32 - Step 4: Simplify right side
5,667,138.44x = 24,156,612,016,230.81 - Step 5: Solve for x
x = 24,156,612,016,230.81/5,667,138.44 - Step 6: Final answer
x = 4,262,576.66
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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.