Finding the Fourth Proportional to 2,049,664.96, 2,828,322.84 and 1,190,057.32
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Solution
The fourth proportional to 2,049,664.96, 2,828,322.84 and 1,190,057.32 is: 1,642,154.38
Step by Step Solution
- Step 1: Write the proportion equation
2,049,664.96 : 2,828,322.84 = 1,190,057.32 : x - Step 2: Convert to fraction form
2,049,664.96/2,828,322.84 = 1,190,057.32/x - Step 3: Cross multiply
2,049,664.96x = 2,828,322.84 × 1,190,057.32 - Step 4: Simplify right side
2,049,664.96x = 3,365,866,299,065.19 - Step 5: Solve for x
x = 3,365,866,299,065.19/2,049,664.96 - Step 6: Final answer
x = 1,642,154.38
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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.