Finding the Fourth Proportional to 5,337,394.88, 7,365,593.99 and 2,890,005.19
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Solution
The fourth proportional to 5,337,394.88, 7,365,593.99 and 2,890,005.19 is: 3,988,201.24
Step by Step Solution
- Step 1: Write the proportion equation
5,337,394.88 : 7,365,593.99 = 2,890,005.19 : x - Step 2: Convert to fraction form
5,337,394.88/7,365,593.99 = 2,890,005.19/x - Step 3: Cross multiply
5,337,394.88x = 7,365,593.99 × 2,890,005.19 - Step 4: Simplify right side
5,337,394.88x = 21,286,604,847,343.84 - Step 5: Solve for x
x = 21,286,604,847,343.84/5,337,394.88 - Step 6: Final answer
x = 3,988,201.24
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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.