Finding the Fourth Proportional to 3,724,796.65, 5,140,253.29 and 2,254,738.99
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Solution
The fourth proportional to 3,724,796.65, 5,140,253.29 and 2,254,738.99 is: 3,111,560.34
Step by Step Solution
- Step 1: Write the proportion equation
3,724,796.65 : 5,140,253.29 = 2,254,738.99 : x - Step 2: Convert to fraction form
3,724,796.65/5,140,253.29 = 2,254,738.99/x - Step 3: Cross multiply
3,724,796.65x = 5,140,253.29 × 2,254,738.99 - Step 4: Simplify right side
3,724,796.65x = 11,589,929,527,615.32 - Step 5: Solve for x
x = 11,589,929,527,615.32/3,724,796.65 - Step 6: Final answer
x = 3,111,560.34
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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.