Finding the Fourth Proportional to 2,072,701.80, 3,109,052.74 and 809,643.68
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Solution
The fourth proportional to 2,072,701.80, 3,109,052.74 and 809,643.68 is: 1,214,465.54
Step by Step Solution
- Step 1: Write the proportion equation
2,072,701.80 : 3,109,052.74 = 809,643.68 : x - Step 2: Convert to fraction form
2,072,701.80/3,109,052.74 = 809,643.68/x - Step 3: Cross multiply
2,072,701.80x = 3,109,052.74 × 809,643.68 - Step 4: Simplify right side
2,072,701.80x = 2,517,224,901,727.68 - Step 5: Solve for x
x = 2,517,224,901,727.68/2,072,701.80 - Step 6: Final answer
x = 1,214,465.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.