Finding the Fourth Proportional to 2,106,149.82, 3,158,622.09 and 686,329.98
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Solution
The fourth proportional to 2,106,149.82, 3,158,622.09 and 686,329.98 is: 1,029,298.59
Step by Step Solution
- Step 1: Write the proportion equation
2,106,149.82 : 3,158,622.09 = 686,329.98 : x - Step 2: Convert to fraction form
2,106,149.82/3,158,622.09 = 686,329.98/x - Step 3: Cross multiply
2,106,149.82x = 3,158,622.09 × 686,329.98 - Step 4: Simplify right side
2,106,149.82x = 2,167,857,035,857.26 - Step 5: Solve for x
x = 2,167,857,035,857.26/2,106,149.82 - Step 6: Final answer
x = 1,029,298.59
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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.