Finding the Fourth Proportional to 4,969,423.20, 7,453,918.00 and 1,557,631.97
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Solution
The fourth proportional to 4,969,423.20, 7,453,918.00 and 1,557,631.97 is: 2,336,380.01
Step by Step Solution
- Step 1: Write the proportion equation
4,969,423.20 : 7,453,918.00 = 1,557,631.97 : x - Step 2: Convert to fraction form
4,969,423.20/7,453,918.00 = 1,557,631.97/x - Step 3: Cross multiply
4,969,423.20x = 7,453,918.00 × 1,557,631.97 - Step 4: Simplify right side
4,969,423.20x = 11,610,461,017,497.23 - Step 5: Solve for x
x = 11,610,461,017,497.23/4,969,423.20 - Step 6: Final answer
x = 2,336,380.01
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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.