Finding the Fourth Proportional to 4,973,865.44, 6,863,934.64 and 2,827,689.44
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Solution
The fourth proportional to 4,973,865.44, 6,863,934.64 and 2,827,689.44 is: 3,902,211.62
Step by Step Solution
- Step 1: Write the proportion equation
4,973,865.44 : 6,863,934.64 = 2,827,689.44 : x - Step 2: Convert to fraction form
4,973,865.44/6,863,934.64 = 2,827,689.44/x - Step 3: Cross multiply
4,973,865.44x = 6,863,934.64 × 2,827,689.44 - Step 4: Simplify right side
4,973,865.44x = 19,409,075,498,378.20 - Step 5: Solve for x
x = 19,409,075,498,378.20/4,973,865.44 - Step 6: Final answer
x = 3,902,211.62
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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.