Finding the Fourth Proportional to 5,186,602.17, 7,157,506.77 and 2,863,497.87
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Solution
The fourth proportional to 5,186,602.17, 7,157,506.77 and 2,863,497.87 is: 3,951,624.73
Step by Step Solution
- Step 1: Write the proportion equation
5,186,602.17 : 7,157,506.77 = 2,863,497.87 : x - Step 2: Convert to fraction form
5,186,602.17/7,157,506.77 = 2,863,497.87/x - Step 3: Cross multiply
5,186,602.17x = 7,157,506.77 × 2,863,497.87 - Step 4: Simplify right side
5,186,602.17x = 20,495,505,390,405.58 - Step 5: Solve for x
x = 20,495,505,390,405.58/5,186,602.17 - Step 6: Final answer
x = 3,951,624.73
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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.