Finding the Fourth Proportional to 1,218,067.18, 1,680,889.80 and 674,204.02
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Solution
The fourth proportional to 1,218,067.18, 1,680,889.80 and 674,204.02 is: 930,377.80
Step by Step Solution
- Step 1: Write the proportion equation
1,218,067.18 : 1,680,889.80 = 674,204.02 : x - Step 2: Convert to fraction form
1,218,067.18/1,680,889.80 = 674,204.02/x - Step 3: Cross multiply
1,218,067.18x = 1,680,889.80 × 674,204.02 - Step 4: Simplify right side
1,218,067.18x = 1,133,262,660,337.00 - Step 5: Solve for x
x = 1,133,262,660,337.00/1,218,067.18 - Step 6: Final answer
x = 930,377.80
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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.