Finding the Fourth Proportional to 6,475,815.19, 8,936,638.23 and 3,575,211.67
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Solution
The fourth proportional to 6,475,815.19, 8,936,638.23 and 3,575,211.67 is: 4,933,799.43
Step by Step Solution
- Step 1: Write the proportion equation
6,475,815.19 : 8,936,638.23 = 3,575,211.67 : x - Step 2: Convert to fraction form
6,475,815.19/8,936,638.23 = 3,575,211.67/x - Step 3: Cross multiply
6,475,815.19x = 8,936,638.23 × 3,575,211.67 - Step 4: Simplify right side
6,475,815.19x = 31,950,373,290,464.14 - Step 5: Solve for x
x = 31,950,373,290,464.14/6,475,815.19 - Step 6: Final answer
x = 4,933,799.43
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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.