Finding the Fourth Proportional to 1,418,939.62, 2,126,561.19 and 576,506.50
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Solution
The fourth proportional to 1,418,939.62, 2,126,561.19 and 576,506.50 is: 864,008.82
Step by Step Solution
- Step 1: Write the proportion equation
1,418,939.62 : 2,126,561.19 = 576,506.50 : x - Step 2: Convert to fraction form
1,418,939.62/2,126,561.19 = 576,506.50/x - Step 3: Cross multiply
1,418,939.62x = 2,126,561.19 × 576,506.50 - Step 4: Simplify right side
1,418,939.62x = 1,225,976,348,682.73 - Step 5: Solve for x
x = 1,225,976,348,682.73/1,418,939.62 - Step 6: Final answer
x = 864,008.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.