Finding the Fourth Proportional to 3,048,586.17, 4,206,745.67 and 1,759,841.74
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Solution
The fourth proportional to 3,048,586.17, 4,206,745.67 and 1,759,841.74 is: 2,428,406.55
Step by Step Solution
- Step 1: Write the proportion equation
3,048,586.17 : 4,206,745.67 = 1,759,841.74 : x - Step 2: Convert to fraction form
3,048,586.17/4,206,745.67 = 1,759,841.74/x - Step 3: Cross multiply
3,048,586.17x = 4,206,745.67 × 1,759,841.74 - Step 4: Simplify right side
3,048,586.17x = 7,403,206,619,630.27 - Step 5: Solve for x
x = 7,403,206,619,630.27/3,048,586.17 - Step 6: Final answer
x = 2,428,406.55
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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.