Finding the Fourth Proportional to 5,639,025.44, 7,781,646.62 and 3,060,651.26
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Solution
The fourth proportional to 5,639,025.44, 7,781,646.62 and 3,060,651.26 is: 4,223,585.57
Step by Step Solution
- Step 1: Write the proportion equation
5,639,025.44 : 7,781,646.62 = 3,060,651.26 : x - Step 2: Convert to fraction form
5,639,025.44/7,781,646.62 = 3,060,651.26/x - Step 3: Cross multiply
5,639,025.44x = 7,781,646.62 × 3,060,651.26 - Step 4: Simplify right side
5,639,025.44x = 23,816,906,478,166.25 - Step 5: Solve for x
x = 23,816,906,478,166.25/5,639,025.44 - Step 6: Final answer
x = 4,223,585.57
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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.