Finding the Fourth Proportional to 2,936,772.84, 4,054,170.42 and 1,969,549.32
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Solution
The fourth proportional to 2,936,772.84, 4,054,170.42 and 1,969,549.32 is: 2,718,933.00
Step by Step Solution
- Step 1: Write the proportion equation
2,936,772.84 : 4,054,170.42 = 1,969,549.32 : x - Step 2: Convert to fraction form
2,936,772.84/4,054,170.42 = 1,969,549.32/x - Step 3: Cross multiply
2,936,772.84x = 4,054,170.42 × 1,969,549.32 - Step 4: Simplify right side
2,936,772.84x = 7,984,888,593,875.11 - Step 5: Solve for x
x = 7,984,888,593,875.11/2,936,772.84 - Step 6: Final answer
x = 2,718,933.00
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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.