Finding the Fourth Proportional to 3,612,011.96, 5,417,188.84 and 2,153,471.09
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Solution
The fourth proportional to 3,612,011.96, 5,417,188.84 and 2,153,471.09 is: 3,229,712.33
Step by Step Solution
- Step 1: Write the proportion equation
3,612,011.96 : 5,417,188.84 = 2,153,471.09 : x - Step 2: Convert to fraction form
3,612,011.96/5,417,188.84 = 2,153,471.09/x - Step 3: Cross multiply
3,612,011.96x = 5,417,188.84 × 2,153,471.09 - Step 4: Simplify right side
3,612,011.96x = 11,665,759,546,852.37 - Step 5: Solve for x
x = 11,665,759,546,852.37/3,612,011.96 - Step 6: Final answer
x = 3,229,712.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.