Finding the Fourth Proportional to 2,106,136.11, 3,159,425.04 and 686,302.23
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Solution
The fourth proportional to 2,106,136.11, 3,159,425.04 and 686,302.23 is: 1,029,525.32
Step by Step Solution
- Step 1: Write the proportion equation
2,106,136.11 : 3,159,425.04 = 686,302.23 : x - Step 2: Convert to fraction form
2,106,136.11/3,159,425.04 = 686,302.23/x - Step 3: Cross multiply
2,106,136.11x = 3,159,425.04 × 686,302.23 - Step 4: Simplify right side
2,106,136.11x = 2,168,320,450,469.84 - Step 5: Solve for x
x = 2,168,320,450,469.84/2,106,136.11 - Step 6: Final answer
x = 1,029,525.32
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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.