Finding the Fourth Proportional to 3,622,135.42, 4,998,305.16 and 1,990,507.68
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Solution
The fourth proportional to 3,622,135.42, 4,998,305.16 and 1,990,507.68 is: 2,746,767.76
Step by Step Solution
- Step 1: Write the proportion equation
3,622,135.42 : 4,998,305.16 = 1,990,507.68 : x - Step 2: Convert to fraction form
3,622,135.42/4,998,305.16 = 1,990,507.68/x - Step 3: Cross multiply
3,622,135.42x = 4,998,305.16 × 1,990,507.68 - Step 4: Simplify right side
3,622,135.42x = 9,949,164,807,963.63 - Step 5: Solve for x
x = 9,949,164,807,963.63/3,622,135.42 - Step 6: Final answer
x = 2,746,767.76
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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.