Finding the Fourth Proportional to 2,082,779.94, 3,124,468.73 and 643,588.98
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Solution
The fourth proportional to 2,082,779.94, 3,124,468.73 and 643,588.98 is: 965,475.80
Step by Step Solution
- Step 1: Write the proportion equation
2,082,779.94 : 3,124,468.73 = 643,588.98 : x - Step 2: Convert to fraction form
2,082,779.94/3,124,468.73 = 643,588.98/x - Step 3: Cross multiply
2,082,779.94x = 3,124,468.73 × 643,588.98 - Step 4: Simplify right side
2,082,779.94x = 2,010,873,632,874.81 - Step 5: Solve for x
x = 2,010,873,632,874.81/2,082,779.94 - Step 6: Final answer
x = 965,475.80
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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.