Finding the Fourth Proportional to 2,523,382.64, 3,482,223.12 and 1,435,630.81
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Solution
The fourth proportional to 2,523,382.64, 3,482,223.12 and 1,435,630.81 is: 1,981,144.95
Step by Step Solution
- Step 1: Write the proportion equation
2,523,382.64 : 3,482,223.12 = 1,435,630.81 : x - Step 2: Convert to fraction form
2,523,382.64/3,482,223.12 = 1,435,630.81/x - Step 3: Cross multiply
2,523,382.64x = 3,482,223.12 × 1,435,630.81 - Step 4: Simplify right side
2,523,382.64x = 4,999,186,789,660.77 - Step 5: Solve for x
x = 4,999,186,789,660.77/2,523,382.64 - Step 6: Final answer
x = 1,981,144.95
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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.