Finding the Fourth Proportional to 5,691,412.17, 7,853,981.81 and 3,113,037.18
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Solution
The fourth proportional to 5,691,412.17, 7,853,981.81 and 3,113,037.18 is: 4,295,899.97
Step by Step Solution
- Step 1: Write the proportion equation
5,691,412.17 : 7,853,981.81 = 3,113,037.18 : x - Step 2: Convert to fraction form
5,691,412.17/7,853,981.81 = 3,113,037.18/x - Step 3: Cross multiply
5,691,412.17x = 7,853,981.81 × 3,113,037.18 - Step 4: Simplify right side
5,691,412.17x = 24,449,737,370,008.51 - Step 5: Solve for x
x = 24,449,737,370,008.51/5,691,412.17 - Step 6: Final answer
x = 4,295,899.97
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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.