Finding the Fourth Proportional to 2,117,974.46, 2,922,823.96 and 1,151,107.07
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Solution
The fourth proportional to 2,117,974.46, 2,922,823.96 and 1,151,107.07 is: 1,588,538.19
Step by Step Solution
- Step 1: Write the proportion equation
2,117,974.46 : 2,922,823.96 = 1,151,107.07 : x - Step 2: Convert to fraction form
2,117,974.46/2,922,823.96 = 1,151,107.07/x - Step 3: Cross multiply
2,117,974.46x = 2,922,823.96 × 1,151,107.07 - Step 4: Simplify right side
2,117,974.46x = 3,364,483,307,229.51 - Step 5: Solve for x
x = 3,364,483,307,229.51/2,117,974.46 - Step 6: Final answer
x = 1,588,538.19
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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.