Finding the Fourth Proportional to 4,137,428.12, 5,709,633.36 and 2,302,062.08
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Solution
The fourth proportional to 4,137,428.12, 5,709,633.36 and 2,302,062.08 is: 3,176,835.96
Step by Step Solution
- Step 1: Write the proportion equation
4,137,428.12 : 5,709,633.36 = 2,302,062.08 : x - Step 2: Convert to fraction form
4,137,428.12/5,709,633.36 = 2,302,062.08/x - Step 3: Cross multiply
4,137,428.12x = 5,709,633.36 × 2,302,062.08 - Step 4: Simplify right side
4,137,428.12x = 13,143,930,448,758.99 - Step 5: Solve for x
x = 13,143,930,448,758.99/4,137,428.12 - Step 6: Final answer
x = 3,176,835.96
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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.