Finding the Fourth Proportional to 5,475,584.78, 8,207,585.20 and 2,062,394.59
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Solution
The fourth proportional to 5,475,584.78, 8,207,585.20 and 2,062,394.59 is: 3,091,410.32
Step by Step Solution
- Step 1: Write the proportion equation
5,475,584.78 : 8,207,585.20 = 2,062,394.59 : x - Step 2: Convert to fraction form
5,475,584.78/8,207,585.20 = 2,062,394.59/x - Step 3: Cross multiply
5,475,584.78x = 8,207,585.20 × 2,062,394.59 - Step 4: Simplify right side
5,475,584.78x = 16,927,279,313,444.07 - Step 5: Solve for x
x = 16,927,279,313,444.07/5,475,584.78 - Step 6: Final answer
x = 3,091,410.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.