Finding the Fourth Proportional to 3,622,133.92, 4,998,303.09 and 1,990,506.18
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Solution
The fourth proportional to 3,622,133.92, 4,998,303.09 and 1,990,506.18 is: 2,746,765.69
Step by Step Solution
- Step 1: Write the proportion equation
3,622,133.92 : 4,998,303.09 = 1,990,506.18 : x - Step 2: Convert to fraction form
3,622,133.92/4,998,303.09 = 1,990,506.18/x - Step 3: Cross multiply
3,622,133.92x = 4,998,303.09 × 1,990,506.18 - Step 4: Simplify right side
3,622,133.92x = 9,949,153,190,158.10 - Step 5: Solve for x
x = 9,949,153,190,158.10/3,622,133.92 - Step 6: Final answer
x = 2,746,765.69
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1.5x scale
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.