Finding the Fourth Proportional to 4,781,628.63, 6,598,649.97 and 2,716,647.84
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Solution
The fourth proportional to 4,781,628.63, 6,598,649.97 and 2,716,647.84 is: 3,748,975.42
Step by Step Solution
- Step 1: Write the proportion equation
4,781,628.63 : 6,598,649.97 = 2,716,647.84 : x - Step 2: Convert to fraction form
4,781,628.63/6,598,649.97 = 2,716,647.84/x - Step 3: Cross multiply
4,781,628.63x = 6,598,649.97 × 2,716,647.84 - Step 4: Simplify right side
4,781,628.63x = 17,926,208,187,916.56 - Step 5: Solve for x
x = 17,926,208,187,916.56/4,781,628.63 - Step 6: Final answer
x = 3,748,975.42
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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.