Finding the Fourth Proportional to 2,379,057.71, 3,283,014.69 and 1,346,543.32
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Solution
The fourth proportional to 2,379,057.71, 3,283,014.69 and 1,346,543.32 is: 1,858,181.70
Step by Step Solution
- Step 1: Write the proportion equation
2,379,057.71 : 3,283,014.69 = 1,346,543.32 : x - Step 2: Convert to fraction form
2,379,057.71/3,283,014.69 = 1,346,543.32/x - Step 3: Cross multiply
2,379,057.71x = 3,283,014.69 × 1,346,543.32 - Step 4: Simplify right side
2,379,057.71x = 4,420,721,493,548.65 - Step 5: Solve for x
x = 4,420,721,493,548.65/2,379,057.71 - Step 6: Final answer
x = 1,858,181.70
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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.