Finding the Fourth Proportional to 2,398,990.08, 3,310,515.84 and 1,311,252.48
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Solution
The fourth proportional to 2,398,990.08, 3,310,515.84 and 1,311,252.48 is: 1,809,478.97
Step by Step Solution
- Step 1: Write the proportion equation
2,398,990.08 : 3,310,515.84 = 1,311,252.48 : x - Step 2: Convert to fraction form
2,398,990.08/3,310,515.84 = 1,311,252.48/x - Step 3: Cross multiply
2,398,990.08x = 3,310,515.84 × 1,311,252.48 - Step 4: Simplify right side
2,398,990.08x = 4,340,922,105,279.28 - Step 5: Solve for x
x = 4,340,922,105,279.28/2,398,990.08 - Step 6: Final answer
x = 1,809,478.97
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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.