Finding the Fourth Proportional to 1,415,186.40, 2,122,779.60 and 468,703.20
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Solution
The fourth proportional to 1,415,186.40, 2,122,779.60 and 468,703.20 is: 703,054.80
Step by Step Solution
- Step 1: Write the proportion equation
1,415,186.40 : 2,122,779.60 = 468,703.20 : x - Step 2: Convert to fraction form
1,415,186.40/2,122,779.60 = 468,703.20/x - Step 3: Cross multiply
1,415,186.40x = 2,122,779.60 × 468,703.20 - Step 4: Simplify right side
1,415,186.40x = 994,953,591,414.72 - Step 5: Solve for x
x = 994,953,591,414.72/1,415,186.40 - Step 6: Final answer
x = 703,054.80
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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.