Finding the Fourth Proportional to 5,133,512.42, 7,707,838.26 and 2,863,472.06
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Solution
The fourth proportional to 5,133,512.42, 7,707,838.26 and 2,863,472.06 is: 4,299,430.43
Step by Step Solution
- Step 1: Write the proportion equation
5,133,512.42 : 7,707,838.26 = 2,863,472.06 : x - Step 2: Convert to fraction form
5,133,512.42/7,707,838.26 = 2,863,472.06/x - Step 3: Cross multiply
5,133,512.42x = 7,707,838.26 × 2,863,472.06 - Step 4: Simplify right side
5,133,512.42x = 22,071,179,500,509.02 - Step 5: Solve for x
x = 22,071,179,500,509.02/5,133,512.42 - Step 6: Final answer
x = 4,299,430.43
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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.