Finding the Fourth Proportional to 1,615,537.60, 2,229,350.92 and 890,383.09
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Solution
The fourth proportional to 1,615,537.60, 2,229,350.92 and 890,383.09 is: 1,228,678.53
Step by Step Solution
- Step 1: Write the proportion equation
1,615,537.60 : 2,229,350.92 = 890,383.09 : x - Step 2: Convert to fraction form
1,615,537.60/2,229,350.92 = 890,383.09/x - Step 3: Cross multiply
1,615,537.60x = 2,229,350.92 × 890,383.09 - Step 4: Simplify right side
1,615,537.60x = 1,984,976,360,843.94 - Step 5: Solve for x
x = 1,984,976,360,843.94/1,615,537.60 - Step 6: Final answer
x = 1,228,678.53
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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.