Finding the Fourth Proportional to 4,905,658.92, 6,769,809.36 and 2,730,715.91
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Solution
The fourth proportional to 4,905,658.92, 6,769,809.36 and 2,730,715.91 is: 3,768,387.98
Step by Step Solution
- Step 1: Write the proportion equation
4,905,658.92 : 6,769,809.36 = 2,730,715.91 : x - Step 2: Convert to fraction form
4,905,658.92/6,769,809.36 = 2,730,715.91/x - Step 3: Cross multiply
4,905,658.92x = 6,769,809.36 × 2,730,715.91 - Step 4: Simplify right side
4,905,658.92x = 18,486,426,093,169.87 - Step 5: Solve for x
x = 18,486,426,093,169.87/4,905,658.92 - Step 6: Final answer
x = 3,768,387.98
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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.