Finding the Fourth Proportional to 5,890,770.53, 8,129,312.09 and 3,312,428.75
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Solution
The fourth proportional to 5,890,770.53, 8,129,312.09 and 3,312,428.75 is: 4,571,179.09
Step by Step Solution
- Step 1: Write the proportion equation
5,890,770.53 : 8,129,312.09 = 3,312,428.75 : x - Step 2: Convert to fraction form
5,890,770.53/8,129,312.09 = 3,312,428.75/x - Step 3: Cross multiply
5,890,770.53x = 8,129,312.09 × 3,312,428.75 - Step 4: Simplify right side
5,890,770.53x = 26,927,767,100,821.33 - Step 5: Solve for x
x = 26,927,767,100,821.33/5,890,770.53 - Step 6: Final answer
x = 4,571,179.09
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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.