Finding the Fourth Proportional to 3,716,251.18, 5,127,372.31 and 2,167,580.44
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Solution
The fourth proportional to 3,716,251.18, 5,127,372.31 and 2,167,580.44 is: 2,990,646.05
Step by Step Solution
- Step 1: Write the proportion equation
3,716,251.18 : 5,127,372.31 = 2,167,580.44 : x - Step 2: Convert to fraction form
3,716,251.18/5,127,372.31 = 2,167,580.44/x - Step 3: Cross multiply
3,716,251.18x = 5,127,372.31 × 2,167,580.44 - Step 4: Simplify right side
3,716,251.18x = 11,113,991,927,753.62 - Step 5: Solve for x
x = 11,113,991,927,753.62/3,716,251.18 - Step 6: Final answer
x = 2,990,646.05
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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.