Finding the Fourth Proportional to 4,591,682.40, 6,888,519.90 and 1,396,725.54
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Solution
The fourth proportional to 4,591,682.40, 6,888,519.90 and 1,396,725.54 is: 2,095,391.37
Step by Step Solution
- Step 1: Write the proportion equation
4,591,682.40 : 6,888,519.90 = 1,396,725.54 : x - Step 2: Convert to fraction form
4,591,682.40/6,888,519.90 = 1,396,725.54/x - Step 3: Cross multiply
4,591,682.40x = 6,888,519.90 × 1,396,725.54 - Step 4: Simplify right side
4,591,682.40x = 9,621,371,677,128.25 - Step 5: Solve for x
x = 9,621,371,677,128.25/4,591,682.40 - Step 6: Final answer
x = 2,095,391.37
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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.