Finding the Fourth Proportional to 2,390,821.20, 3,586,231.80 and 894,718.80
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Solution
The fourth proportional to 2,390,821.20, 3,586,231.80 and 894,718.80 is: 1,342,078.20
Step by Step Solution
- Step 1: Write the proportion equation
2,390,821.20 : 3,586,231.80 = 894,718.80 : x - Step 2: Convert to fraction form
2,390,821.20/3,586,231.80 = 894,718.80/x - Step 3: Cross multiply
2,390,821.20x = 3,586,231.80 × 894,718.80 - Step 4: Simplify right side
2,390,821.20x = 3,208,669,012,617.84 - Step 5: Solve for x
x = 3,208,669,012,617.84/2,390,821.20 - Step 6: Final answer
x = 1,342,078.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.