Finding the Fourth Proportional to 2,252,743.80, 3,379,556.70 and 990,567.78
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Solution
The fourth proportional to 2,252,743.80, 3,379,556.70 and 990,567.78 is: 1,486,045.58
Step by Step Solution
- Step 1: Write the proportion equation
2,252,743.80 : 3,379,556.70 = 990,567.78 : x - Step 2: Convert to fraction form
2,252,743.80/3,379,556.70 = 990,567.78/x - Step 3: Cross multiply
2,252,743.80x = 3,379,556.70 × 990,567.78 - Step 4: Simplify right side
2,252,743.80x = 3,347,679,977,703.13 - Step 5: Solve for x
x = 3,347,679,977,703.13/2,252,743.80 - Step 6: Final answer
x = 1,486,045.58
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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.