Finding the Fourth Proportional to 1,659,976.74, 2,290,736.79 and 1,015,349.58
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Solution
The fourth proportional to 1,659,976.74, 2,290,736.79 and 1,015,349.58 is: 1,401,163.39
Step by Step Solution
- Step 1: Write the proportion equation
1,659,976.74 : 2,290,736.79 = 1,015,349.58 : x - Step 2: Convert to fraction form
1,659,976.74/2,290,736.79 = 1,015,349.58/x - Step 3: Cross multiply
1,659,976.74x = 2,290,736.79 × 1,015,349.58 - Step 4: Simplify right side
1,659,976.74x = 2,325,898,637,617.05 - Step 5: Solve for x
x = 2,325,898,637,617.05/1,659,976.74 - Step 6: Final answer
x = 1,401,163.39
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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.