Finding the Fourth Proportional to 5,888,842.42, 8,126,890.77 and 3,311,331.70
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Solution
The fourth proportional to 5,888,842.42, 8,126,890.77 and 3,311,331.70 is: 4,569,799.82
Step by Step Solution
- Step 1: Write the proportion equation
5,888,842.42 : 8,126,890.77 = 3,311,331.70 : x - Step 2: Convert to fraction form
5,888,842.42/8,126,890.77 = 3,311,331.70/x - Step 3: Cross multiply
5,888,842.42x = 8,126,890.77 × 3,311,331.70 - Step 4: Simplify right side
5,888,842.42x = 26,910,831,029,138.41 - Step 5: Solve for x
x = 26,910,831,029,138.41/5,888,842.42 - Step 6: Final answer
x = 4,569,799.82
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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.