Finding the Fourth Proportional to 4,992,232.74, 7,488,939.51 and 1,626,439.74
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Solution
The fourth proportional to 4,992,232.74, 7,488,939.51 and 1,626,439.74 is: 2,439,851.96
Step by Step Solution
- Step 1: Write the proportion equation
4,992,232.74 : 7,488,939.51 = 1,626,439.74 : x - Step 2: Convert to fraction form
4,992,232.74/7,488,939.51 = 1,626,439.74/x - Step 3: Cross multiply
4,992,232.74x = 7,488,939.51 × 1,626,439.74 - Step 4: Simplify right side
4,992,232.74x = 12,180,308,829,520.13 - Step 5: Solve for x
x = 12,180,308,829,520.13/4,992,232.74 - Step 6: Final answer
x = 2,439,851.96
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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.