Finding the Fourth Proportional to 5,457,840.44, 7,531,687.80 and 3,010,398.90
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Solution
The fourth proportional to 5,457,840.44, 7,531,687.80 and 3,010,398.90 is: 4,154,277.67
Step by Step Solution
- Step 1: Write the proportion equation
5,457,840.44 : 7,531,687.80 = 3,010,398.90 : x - Step 2: Convert to fraction form
5,457,840.44/7,531,687.80 = 3,010,398.90/x - Step 3: Cross multiply
5,457,840.44x = 7,531,687.80 × 3,010,398.90 - Step 4: Simplify right side
5,457,840.44x = 22,673,384,668,263.42 - Step 5: Solve for x
x = 22,673,384,668,263.42/5,457,840.44 - Step 6: Final answer
x = 4,154,277.67
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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.