Finding the Fourth Proportional to 4,474,699.49, 6,172,447.73 and 3,166,479.83
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Solution
The fourth proportional to 4,474,699.49, 6,172,447.73 and 3,166,479.83 is: 4,367,875.71
Step by Step Solution
- Step 1: Write the proportion equation
4,474,699.49 : 6,172,447.73 = 3,166,479.83 : x - Step 2: Convert to fraction form
4,474,699.49/6,172,447.73 = 3,166,479.83/x - Step 3: Cross multiply
4,474,699.49x = 6,172,447.73 × 3,166,479.83 - Step 4: Simplify right side
4,474,699.49x = 19,544,931,192,079.65 - Step 5: Solve for x
x = 19,544,931,192,079.65/4,474,699.49 - Step 6: Final answer
x = 4,367,875.71
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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.