Finding the Fourth Proportional to 4,391,699.80, 6,060,735.12 and 2,431,577.84
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Solution
The fourth proportional to 4,391,699.80, 6,060,735.12 and 2,431,577.84 is: 3,355,682.28
Step by Step Solution
- Step 1: Write the proportion equation
4,391,699.80 : 6,060,735.12 = 2,431,577.84 : x - Step 2: Convert to fraction form
4,391,699.80/6,060,735.12 = 2,431,577.84/x - Step 3: Cross multiply
4,391,699.80x = 6,060,735.12 × 2,431,577.84 - Step 4: Simplify right side
4,391,699.80x = 14,737,149,211,901.74 - Step 5: Solve for x
x = 14,737,149,211,901.74/4,391,699.80 - Step 6: Final answer
x = 3,355,682.28
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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.