Finding the Fourth Proportional to 2,044,516.88, 2,821,452.58 and 1,126,779.12
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Solution
The fourth proportional to 2,044,516.88, 2,821,452.58 and 1,126,779.12 is: 1,554,965.81
Step by Step Solution
- Step 1: Write the proportion equation
2,044,516.88 : 2,821,452.58 = 1,126,779.12 : x - Step 2: Convert to fraction form
2,044,516.88/2,821,452.58 = 1,126,779.12/x - Step 3: Cross multiply
2,044,516.88x = 2,821,452.58 × 1,126,779.12 - Step 4: Simplify right side
2,044,516.88x = 3,179,153,855,214.13 - Step 5: Solve for x
x = 3,179,153,855,214.13/2,044,516.88 - Step 6: Final answer
x = 1,554,965.81
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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.