Finding the Fourth Proportional to 3,407,829.40, 4,702,728.88 and 1,879,936.12
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Solution
The fourth proportional to 3,407,829.40, 4,702,728.88 and 1,879,936.12 is: 2,594,270.09
Step by Step Solution
- Step 1: Write the proportion equation
3,407,829.40 : 4,702,728.88 = 1,879,936.12 : x - Step 2: Convert to fraction form
3,407,829.40/4,702,728.88 = 1,879,936.12/x - Step 3: Cross multiply
3,407,829.40x = 4,702,728.88 × 1,879,936.12 - Step 4: Simplify right side
3,407,829.40x = 8,840,829,884,079.15 - Step 5: Solve for x
x = 8,840,829,884,079.15/3,407,829.40 - Step 6: Final answer
x = 2,594,270.09
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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.