Finding the Fourth Proportional to 1,218,065.18, 1,680,887.04 and 674,202.02
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Solution
The fourth proportional to 1,218,065.18, 1,680,887.04 and 674,202.02 is: 930,375.04
Step by Step Solution
- Step 1: Write the proportion equation
1,218,065.18 : 1,680,887.04 = 674,202.02 : x - Step 2: Convert to fraction form
1,218,065.18/1,680,887.04 = 674,202.02/x - Step 3: Cross multiply
1,218,065.18x = 1,680,887.04 × 674,202.02 - Step 4: Simplify right side
1,218,065.18x = 1,133,257,437,759.82 - Step 5: Solve for x
x = 1,133,257,437,759.82/1,218,065.18 - Step 6: Final answer
x = 930,375.04
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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.