Finding the Fourth Proportional to 1,387,293.93, 2,081,107.62 and 488,549.91
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Solution
The fourth proportional to 1,387,293.93, 2,081,107.62 and 488,549.91 is: 732,883.58
Step by Step Solution
- Step 1: Write the proportion equation
1,387,293.93 : 2,081,107.62 = 488,549.91 : x - Step 2: Convert to fraction form
1,387,293.93/2,081,107.62 = 488,549.91/x - Step 3: Cross multiply
1,387,293.93x = 2,081,107.62 × 488,549.91 - Step 4: Simplify right side
1,387,293.93x = 1,016,724,940,451.31 - Step 5: Solve for x
x = 1,016,724,940,451.31/1,387,293.93 - Step 6: Final answer
x = 732,883.58
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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.