Finding the Fourth Proportional to 1,678,197.18, 2,315,304.76 and 1,097,751.29
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Solution
The fourth proportional to 1,678,197.18, 2,315,304.76 and 1,097,751.29 is: 1,514,499.49
Step by Step Solution
- Step 1: Write the proportion equation
1,678,197.18 : 2,315,304.76 = 1,097,751.29 : x - Step 2: Convert to fraction form
1,678,197.18/2,315,304.76 = 1,097,751.29/x - Step 3: Cross multiply
1,678,197.18x = 2,315,304.76 × 1,097,751.29 - Step 4: Simplify right side
1,678,197.18x = 2,541,628,774,770.52 - Step 5: Solve for x
x = 2,541,628,774,770.52/1,678,197.18 - Step 6: Final answer
x = 1,514,499.49
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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.