Finding the Fourth Proportional to 1,615,277.35, 2,229,097.49 and 890,151.09
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Solution
The fourth proportional to 1,615,277.35, 2,229,097.49 and 890,151.09 is: 1,228,416.63
Step by Step Solution
- Step 1: Write the proportion equation
1,615,277.35 : 2,229,097.49 = 890,151.09 : x - Step 2: Convert to fraction form
1,615,277.35/2,229,097.49 = 890,151.09/x - Step 3: Cross multiply
1,615,277.35x = 2,229,097.49 × 890,151.09 - Step 4: Simplify right side
1,615,277.35x = 1,984,233,560,439.76 - Step 5: Solve for x
x = 1,984,233,560,439.76/1,615,277.35 - Step 6: Final answer
x = 1,228,416.63
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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.