Finding the Fourth Proportional to 4,152,025.80, 6,228,038.70 and 1,908,163.80
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Solution
The fourth proportional to 4,152,025.80, 6,228,038.70 and 1,908,163.80 is: 2,862,245.70
Step by Step Solution
- Step 1: Write the proportion equation
4,152,025.80 : 6,228,038.70 = 1,908,163.80 : x - Step 2: Convert to fraction form
4,152,025.80/6,228,038.70 = 1,908,163.80/x - Step 3: Cross multiply
4,152,025.80x = 6,228,038.70 × 1,908,163.80 - Step 4: Simplify right side
4,152,025.80x = 11,884,117,992,339.06 - Step 5: Solve for x
x = 11,884,117,992,339.06/4,152,025.80 - Step 6: Final answer
x = 2,862,245.70
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1.5x scale
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.