Finding the Fourth Proportional to 4,476,556.64, 6,709,976.40 and 2,938,906.82
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Solution
The fourth proportional to 4,476,556.64, 6,709,976.40 and 2,938,906.82 is: 4,405,170.53
Step by Step Solution
- Step 1: Write the proportion equation
4,476,556.64 : 6,709,976.40 = 2,938,906.82 : x - Step 2: Convert to fraction form
4,476,556.64/6,709,976.40 = 2,938,906.82/x - Step 3: Cross multiply
4,476,556.64x = 6,709,976.40 × 2,938,906.82 - Step 4: Simplify right side
4,476,556.64x = 19,719,995,403,999.05 - Step 5: Solve for x
x = 19,719,995,403,999.05/4,476,556.64 - Step 6: Final answer
x = 4,405,170.53
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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.