Finding the Fourth Proportional to 4,124,651.75, 5,692,703.63 and 2,405,772.26
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Solution
The fourth proportional to 4,124,651.75, 5,692,703.63 and 2,405,772.26 is: 3,320,364.79
Step by Step Solution
- Step 1: Write the proportion equation
4,124,651.75 : 5,692,703.63 = 2,405,772.26 : x - Step 2: Convert to fraction form
4,124,651.75/5,692,703.63 = 2,405,772.26/x - Step 3: Cross multiply
4,124,651.75x = 5,692,703.63 × 2,405,772.26 - Step 4: Simplify right side
4,124,651.75x = 13,695,348,436,962.92 - Step 5: Solve for x
x = 13,695,348,436,962.92/4,124,651.75 - Step 6: Final answer
x = 3,320,364.79
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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.