Finding the Fourth Proportional to 5,511,558.20, 7,605,939.84 and 3,064,395.20
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Solution
The fourth proportional to 5,511,558.20, 7,605,939.84 and 3,064,395.20 is: 4,228,859.55
Step by Step Solution
- Step 1: Write the proportion equation
5,511,558.20 : 7,605,939.84 = 3,064,395.20 : x - Step 2: Convert to fraction form
5,511,558.20/7,605,939.84 = 3,064,395.20/x - Step 3: Cross multiply
5,511,558.20x = 7,605,939.84 × 3,064,395.20 - Step 4: Simplify right side
5,511,558.20x = 23,307,605,537,184.77 - Step 5: Solve for x
x = 23,307,605,537,184.77/5,511,558.20 - Step 6: Final answer
x = 4,228,859.55
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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.