Finding the Fourth Proportional to 2,116,164.44, 2,920,497.35 and 1,198,616.75
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Solution
The fourth proportional to 2,116,164.44, 2,920,497.35 and 1,198,616.75 is: 1,654,198.97
Step by Step Solution
- Step 1: Write the proportion equation
2,116,164.44 : 2,920,497.35 = 1,198,616.75 : x - Step 2: Convert to fraction form
2,116,164.44/2,920,497.35 = 1,198,616.75/x - Step 3: Cross multiply
2,116,164.44x = 2,920,497.35 × 1,198,616.75 - Step 4: Simplify right side
2,116,164.44x = 3,500,557,021,445.04 - Step 5: Solve for x
x = 3,500,557,021,445.04/2,116,164.44 - Step 6: Final answer
x = 1,654,198.97
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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.