Finding the Fourth Proportional to 1,981,723.14, 2,734,791.93 and 1,076,305.14
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Solution
The fourth proportional to 1,981,723.14, 2,734,791.93 and 1,076,305.14 is: 1,485,308.70
Step by Step Solution
- Step 1: Write the proportion equation
1,981,723.14 : 2,734,791.93 = 1,076,305.14 : x - Step 2: Convert to fraction form
1,981,723.14/2,734,791.93 = 1,076,305.14/x - Step 3: Cross multiply
1,981,723.14x = 2,734,791.93 × 1,076,305.14 - Step 4: Simplify right side
1,981,723.14x = 2,943,470,611,089.52 - Step 5: Solve for x
x = 2,943,470,611,089.52/1,981,723.14 - Step 6: Final answer
x = 1,485,308.70
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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.