Finding the Fourth Proportional to 2,125,174.80, 2,932,743.44 and 1,158,305.88
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Solution
The fourth proportional to 2,125,174.80, 2,932,743.44 and 1,158,305.88 is: 1,598,463.32
Step by Step Solution
- Step 1: Write the proportion equation
2,125,174.80 : 2,932,743.44 = 1,158,305.88 : x - Step 2: Convert to fraction form
2,125,174.80/2,932,743.44 = 1,158,305.88/x - Step 3: Cross multiply
2,125,174.80x = 2,932,743.44 × 1,158,305.88 - Step 4: Simplify right side
2,125,174.80x = 3,397,013,971,083.43 - Step 5: Solve for x
x = 3,397,013,971,083.43/2,125,174.80 - Step 6: Final answer
x = 1,598,463.32
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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.