Finding the Fourth Proportional to 1,651,156.84, 2,278,845.50 and 1,006,950.71
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Solution
The fourth proportional to 1,651,156.84, 2,278,845.50 and 1,006,950.71 is: 1,389,743.87
Step by Step Solution
- Step 1: Write the proportion equation
1,651,156.84 : 2,278,845.50 = 1,006,950.71 : x - Step 2: Convert to fraction form
1,651,156.84/2,278,845.50 = 1,006,950.71/x - Step 3: Cross multiply
1,651,156.84x = 2,278,845.50 × 1,006,950.71 - Step 4: Simplify right side
1,651,156.84x = 2,294,685,094,205.30 - Step 5: Solve for x
x = 2,294,685,094,205.30/1,651,156.84 - Step 6: Final answer
x = 1,389,743.87
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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.