Finding the Fourth Proportional to 1,901,733.22, 2,624,473.19 and 1,137,639.18
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Solution
The fourth proportional to 1,901,733.22, 2,624,473.19 and 1,137,639.18 is: 1,569,990.73
Step by Step Solution
- Step 1: Write the proportion equation
1,901,733.22 : 2,624,473.19 = 1,137,639.18 : x - Step 2: Convert to fraction form
1,901,733.22/2,624,473.19 = 1,137,639.18/x - Step 3: Cross multiply
1,901,733.22x = 2,624,473.19 × 1,137,639.18 - Step 4: Simplify right side
1,901,733.22x = 2,985,703,527,803.58 - Step 5: Solve for x
x = 2,985,703,527,803.58/1,901,733.22 - Step 6: Final answer
x = 1,569,990.73
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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.