Finding the Fourth Proportional to 4,849,349.70, 7,274,024.55 and 2,959,781.70
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Solution
The fourth proportional to 4,849,349.70, 7,274,024.55 and 2,959,781.70 is: 4,439,672.55
Step by Step Solution
- Step 1: Write the proportion equation
4,849,349.70 : 7,274,024.55 = 2,959,781.70 : x - Step 2: Convert to fraction form
4,849,349.70/7,274,024.55 = 2,959,781.70/x - Step 3: Cross multiply
4,849,349.70x = 7,274,024.55 × 2,959,781.70 - Step 4: Simplify right side
4,849,349.70x = 21,529,524,748,440.73 - Step 5: Solve for x
x = 21,529,524,748,440.73/4,849,349.70 - Step 6: Final answer
x = 4,439,672.55
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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.