Finding the Fourth Proportional to 3,996,715.01, 5,515,330.25 and 2,278,389.11
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Solution
The fourth proportional to 3,996,715.01, 5,515,330.25 and 2,278,389.11 is: 3,144,099.18
Step by Step Solution
- Step 1: Write the proportion equation
3,996,715.01 : 5,515,330.25 = 2,278,389.11 : x - Step 2: Convert to fraction form
3,996,715.01/5,515,330.25 = 2,278,389.11/x - Step 3: Cross multiply
3,996,715.01x = 5,515,330.25 × 2,278,389.11 - Step 4: Simplify right side
3,996,715.01x = 12,566,068,368,261.63 - Step 5: Solve for x
x = 12,566,068,368,261.63/3,996,715.01 - Step 6: Final answer
x = 3,144,099.18
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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.