Finding the Fourth Proportional to 1,786,703.60, 2,679,133.80 and 664,194.80
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Solution
The fourth proportional to 1,786,703.60, 2,679,133.80 and 664,194.80 is: 995,949.60
Step by Step Solution
- Step 1: Write the proportion equation
1,786,703.60 : 2,679,133.80 = 664,194.80 : x - Step 2: Convert to fraction form
1,786,703.60/2,679,133.80 = 664,194.80/x - Step 3: Cross multiply
1,786,703.60x = 2,679,133.80 × 664,194.80 - Step 4: Simplify right side
1,786,703.60x = 1,779,466,738,464.24 - Step 5: Solve for x
x = 1,779,466,738,464.24/1,786,703.60 - Step 6: Final answer
x = 995,949.60
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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.