Finding the Fourth Proportional to 4,823,677.80, 7,235,516.70 and 1,229,437.80
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Solution
The fourth proportional to 4,823,677.80, 7,235,516.70 and 1,229,437.80 is: 1,844,156.70
Step by Step Solution
- Step 1: Write the proportion equation
4,823,677.80 : 7,235,516.70 = 1,229,437.80 : x - Step 2: Convert to fraction form
4,823,677.80/7,235,516.70 = 1,229,437.80/x - Step 3: Cross multiply
4,823,677.80x = 7,235,516.70 × 1,229,437.80 - Step 4: Simplify right side
4,823,677.80x = 8,895,617,733,511.26 - Step 5: Solve for x
x = 8,895,617,733,511.26/4,823,677.80 - Step 6: Final answer
x = 1,844,156.70
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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.