Finding the Fourth Proportional to 1,723,504.68, 2,378,779.38 and 998,513.64
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Solution
The fourth proportional to 1,723,504.68, 2,378,779.38 and 998,513.64 is: 1,378,147.50
Step by Step Solution
- Step 1: Write the proportion equation
1,723,504.68 : 2,378,779.38 = 998,513.64 : x - Step 2: Convert to fraction form
1,723,504.68/2,378,779.38 = 998,513.64/x - Step 3: Cross multiply
1,723,504.68x = 2,378,779.38 × 998,513.64 - Step 4: Simplify right side
1,723,504.68x = 2,375,243,657,480.74 - Step 5: Solve for x
x = 2,375,243,657,480.74/1,723,504.68 - Step 6: Final answer
x = 1,378,147.50
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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.