Finding the Fourth Proportional to 3,726,516.17, 5,590,955.28 and 1,330,307.75
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Solution
The fourth proportional to 3,726,516.17, 5,590,955.28 and 1,330,307.75 is: 1,995,883.23
Step by Step Solution
- Step 1: Write the proportion equation
3,726,516.17 : 5,590,955.28 = 1,330,307.75 : x - Step 2: Convert to fraction form
3,726,516.17/5,590,955.28 = 1,330,307.75/x - Step 3: Cross multiply
3,726,516.17x = 5,590,955.28 × 1,330,307.75 - Step 4: Simplify right side
3,726,516.17x = 7,437,691,138,887.42 - Step 5: Solve for x
x = 7,437,691,138,887.42/3,726,516.17 - Step 6: Final answer
x = 1,995,883.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.