Finding the Fourth Proportional to 4,115,715.30, 5,679,609.84 and 2,484,191.43
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Solution
The fourth proportional to 4,115,715.30, 5,679,609.84 and 2,484,191.43 is: 3,428,137.53
Step by Step Solution
- Step 1: Write the proportion equation
4,115,715.30 : 5,679,609.84 = 2,484,191.43 : x - Step 2: Convert to fraction form
4,115,715.30/5,679,609.84 = 2,484,191.43/x - Step 3: Cross multiply
4,115,715.30x = 5,679,609.84 × 2,484,191.43 - Step 4: Simplify right side
4,115,715.30x = 14,109,238,090,271.67 - Step 5: Solve for x
x = 14,109,238,090,271.67/4,115,715.30 - Step 6: Final answer
x = 3,428,137.53
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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.