Finding the Fourth Proportional to 1,615,717.12, 2,229,677.16 and 890,566.24
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Solution
The fourth proportional to 1,615,717.12, 2,229,677.16 and 890,566.24 is: 1,228,974.54
Step by Step Solution
- Step 1: Write the proportion equation
1,615,717.12 : 2,229,677.16 = 890,566.24 : x - Step 2: Convert to fraction form
1,615,717.12/2,229,677.16 = 890,566.24/x - Step 3: Cross multiply
1,615,717.12x = 2,229,677.16 × 890,566.24 - Step 4: Simplify right side
1,615,717.12x = 1,985,675,204,795.08 - Step 5: Solve for x
x = 1,985,675,204,795.08/1,615,717.12 - Step 6: Final answer
x = 1,228,974.54
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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.