Finding the Fourth Proportional to 3,349,494.18, 4,620,334.23 and 2,107,128.87
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Solution
The fourth proportional to 3,349,494.18, 4,620,334.23 and 2,107,128.87 is: 2,906,599.96
Step by Step Solution
- Step 1: Write the proportion equation
3,349,494.18 : 4,620,334.23 = 2,107,128.87 : x - Step 2: Convert to fraction form
3,349,494.18/4,620,334.23 = 2,107,128.87/x - Step 3: Cross multiply
3,349,494.18x = 4,620,334.23 × 2,107,128.87 - Step 4: Simplify right side
3,349,494.18x = 9,735,639,645,082.22 - Step 5: Solve for x
x = 9,735,639,645,082.22/3,349,494.18 - Step 6: Final answer
x = 2,906,599.96
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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.