Finding the Fourth Proportional to 2,162,403.44, 2,983,858.80 and 1,195,403.84
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Solution
The fourth proportional to 2,162,403.44, 2,983,858.80 and 1,195,403.84 is: 1,649,514.70
Step by Step Solution
- Step 1: Write the proportion equation
2,162,403.44 : 2,983,858.80 = 1,195,403.84 : x - Step 2: Convert to fraction form
2,162,403.44/2,983,858.80 = 1,195,403.84/x - Step 3: Cross multiply
2,162,403.44x = 2,983,858.80 × 1,195,403.84 - Step 4: Simplify right side
2,162,403.44x = 3,566,916,267,537.79 - Step 5: Solve for x
x = 3,566,916,267,537.79/2,162,403.44 - Step 6: Final answer
x = 1,649,514.70
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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.