Finding the Fourth Proportional to 1,620,207.36, 2,236,016.88 and 895,118.31
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Solution
The fourth proportional to 1,620,207.36, 2,236,016.88 and 895,118.31 is: 1,235,335.49
Step by Step Solution
- Step 1: Write the proportion equation
1,620,207.36 : 2,236,016.88 = 895,118.31 : x - Step 2: Convert to fraction form
1,620,207.36/2,236,016.88 = 895,118.31/x - Step 3: Cross multiply
1,620,207.36x = 2,236,016.88 × 895,118.31 - Step 4: Simplify right side
1,620,207.36x = 2,001,499,650,757.07 - Step 5: Solve for x
x = 2,001,499,650,757.07/1,620,207.36 - Step 6: Final answer
x = 1,235,335.49
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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.