Finding the Fourth Proportional to 5,238,976.44, 7,859,772.54 and 1,827,312.06
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Solution
The fourth proportional to 5,238,976.44, 7,859,772.54 and 1,827,312.06 is: 2,741,424.27
Step by Step Solution
- Step 1: Write the proportion equation
5,238,976.44 : 7,859,772.54 = 1,827,312.06 : x - Step 2: Convert to fraction form
5,238,976.44/7,859,772.54 = 1,827,312.06/x - Step 3: Cross multiply
5,238,976.44x = 7,859,772.54 × 1,827,312.06 - Step 4: Simplify right side
5,238,976.44x = 14,362,257,151,198.83 - Step 5: Solve for x
x = 14,362,257,151,198.83/5,238,976.44 - Step 6: Final answer
x = 2,741,424.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.