Finding the Fourth Proportional to 1,821,304.14, 2,514,250.17 and 1,057,210.62
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Solution
The fourth proportional to 1,821,304.14, 2,514,250.17 and 1,057,210.62 is: 1,459,444.32
Step by Step Solution
- Step 1: Write the proportion equation
1,821,304.14 : 2,514,250.17 = 1,057,210.62 : x - Step 2: Convert to fraction form
1,821,304.14/2,514,250.17 = 1,057,210.62/x - Step 3: Cross multiply
1,821,304.14x = 2,514,250.17 × 1,057,210.62 - Step 4: Simplify right side
1,821,304.14x = 2,658,091,981,060.81 - Step 5: Solve for x
x = 2,658,091,981,060.81/1,821,304.14 - Step 6: Final answer
x = 1,459,444.32
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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.