Finding the Fourth Proportional to 3,131,769.84, 4,322,176.92 and 1,773,700.08
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Solution
The fourth proportional to 3,131,769.84, 4,322,176.92 and 1,773,700.08 is: 2,447,895.58
Step by Step Solution
- Step 1: Write the proportion equation
3,131,769.84 : 4,322,176.92 = 1,773,700.08 : x - Step 2: Convert to fraction form
3,131,769.84/4,322,176.92 = 1,773,700.08/x - Step 3: Cross multiply
3,131,769.84x = 4,322,176.92 × 1,773,700.08 - Step 4: Simplify right side
3,131,769.84x = 7,666,245,548,778.15 - Step 5: Solve for x
x = 7,666,245,548,778.15/3,131,769.84 - Step 6: Final answer
x = 2,447,895.58
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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.