Finding the Fourth Proportional to 1,369,604.18, 1,890,659.10 and 818,514.29
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Solution
The fourth proportional to 1,369,604.18, 1,890,659.10 and 818,514.29 is: 1,129,911.48
Step by Step Solution
- Step 1: Write the proportion equation
1,369,604.18 : 1,890,659.10 = 818,514.29 : x - Step 2: Convert to fraction form
1,369,604.18/1,890,659.10 = 818,514.29/x - Step 3: Cross multiply
1,369,604.18x = 1,890,659.10 × 818,514.29 - Step 4: Simplify right side
1,369,604.18x = 1,547,531,481,415.24 - Step 5: Solve for x
x = 1,547,531,481,415.24/1,369,604.18 - Step 6: Final answer
x = 1,129,911.48
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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.