Finding the Fourth Proportional to 1,879,142.40, 2,593,203.36 and 1,019,680.80
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Solution
The fourth proportional to 1,879,142.40, 2,593,203.36 and 1,019,680.80 is: 1,407,152.37
Step by Step Solution
- Step 1: Write the proportion equation
1,879,142.40 : 2,593,203.36 = 1,019,680.80 : x - Step 2: Convert to fraction form
1,879,142.40/2,593,203.36 = 1,019,680.80/x - Step 3: Cross multiply
1,879,142.40x = 2,593,203.36 × 1,019,680.80 - Step 4: Simplify right side
1,879,142.40x = 2,644,239,676,687.49 - Step 5: Solve for x
x = 2,644,239,676,687.49/1,879,142.40 - Step 6: Final answer
x = 1,407,152.37
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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.