Finding the Fourth Proportional to 4,829,211.12, 6,664,436.28 and 2,653,814.64
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Solution
The fourth proportional to 4,829,211.12, 6,664,436.28 and 2,653,814.64 is: 3,662,332.86
Step by Step Solution
- Step 1: Write the proportion equation
4,829,211.12 : 6,664,436.28 = 2,653,814.64 : x - Step 2: Convert to fraction form
4,829,211.12/6,664,436.28 = 2,653,814.64/x - Step 3: Cross multiply
4,829,211.12x = 6,664,436.28 × 2,653,814.64 - Step 4: Simplify right side
4,829,211.12x = 17,686,178,567,211.14 - Step 5: Solve for x
x = 17,686,178,567,211.14/4,829,211.12 - Step 6: Final answer
x = 3,662,332.86
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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.