Finding the Fourth Proportional to 5,535,880.49, 7,639,519.83 and 3,088,492.07
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Solution
The fourth proportional to 5,535,880.49, 7,639,519.83 and 3,088,492.07 is: 4,262,121.71
Step by Step Solution
- Step 1: Write the proportion equation
5,535,880.49 : 7,639,519.83 = 3,088,492.07 : x - Step 2: Convert to fraction form
5,535,880.49/7,639,519.83 = 3,088,492.07/x - Step 3: Cross multiply
5,535,880.49x = 7,639,519.83 × 3,088,492.07 - Step 4: Simplify right side
5,535,880.49x = 23,594,596,406,755.61 - Step 5: Solve for x
x = 23,594,596,406,755.61/5,535,880.49 - Step 6: Final answer
x = 4,262,121.71
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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.