Finding the Fourth Proportional to 2,531,556.01, 3,494,045.28 and 1,918,639.70
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Solution
The fourth proportional to 2,531,556.01, 3,494,045.28 and 1,918,639.70 is: 2,648,100.20
Step by Step Solution
- Step 1: Write the proportion equation
2,531,556.01 : 3,494,045.28 = 1,918,639.70 : x - Step 2: Convert to fraction form
2,531,556.01/3,494,045.28 = 1,918,639.70/x - Step 3: Cross multiply
2,531,556.01x = 3,494,045.28 × 1,918,639.70 - Step 4: Simplify right side
2,531,556.01x = 6,703,813,987,805.62 - Step 5: Solve for x
x = 6,703,813,987,805.62/2,531,556.01 - Step 6: Final answer
x = 2,648,100.20
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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.