Finding the Fourth Proportional to 1,716,916.68, 2,369,638.44 and 991,634.04
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Solution
The fourth proportional to 1,716,916.68, 2,369,638.44 and 991,634.04 is: 1,368,624.45
Step by Step Solution
- Step 1: Write the proportion equation
1,716,916.68 : 2,369,638.44 = 991,634.04 : x - Step 2: Convert to fraction form
1,716,916.68/2,369,638.44 = 991,634.04/x - Step 3: Cross multiply
1,716,916.68x = 2,369,638.44 × 991,634.04 - Step 4: Simplify right side
1,716,916.68x = 2,349,814,139,596.50 - Step 5: Solve for x
x = 2,349,814,139,596.50/1,716,916.68 - Step 6: Final answer
x = 1,368,624.45
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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.