Finding the Fourth Proportional to 2,135,428.04, 2,946,890.42 and 1,168,558.08
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Solution
The fourth proportional to 2,135,428.04, 2,946,890.42 and 1,168,558.08 is: 1,612,609.99
Step by Step Solution
- Step 1: Write the proportion equation
2,135,428.04 : 2,946,890.42 = 1,168,558.08 : x - Step 2: Convert to fraction form
2,135,428.04/2,946,890.42 = 1,168,558.08/x - Step 3: Cross multiply
2,135,428.04x = 2,946,890.42 × 1,168,558.08 - Step 4: Simplify right side
2,135,428.04x = 3,443,612,596,431.14 - Step 5: Solve for x
x = 3,443,612,596,431.14/2,135,428.04 - Step 6: Final answer
x = 1,612,609.99
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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.