Finding the Fourth Proportional to 6,987,268.08, 9,642,618.36 and 3,931,590.96
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Solution
The fourth proportional to 6,987,268.08, 9,642,618.36 and 3,931,590.96 is: 5,425,701.54
Step by Step Solution
- Step 1: Write the proportion equation
6,987,268.08 : 9,642,618.36 = 3,931,590.96 : x - Step 2: Convert to fraction form
6,987,268.08/9,642,618.36 = 3,931,590.96/x - Step 3: Cross multiply
6,987,268.08x = 9,642,618.36 × 3,931,590.96 - Step 4: Simplify right side
6,987,268.08x = 37,910,831,174,906.02 - Step 5: Solve for x
x = 37,910,831,174,906.02/6,987,268.08 - Step 6: Final answer
x = 5,425,701.54
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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.