Finding the Fourth Proportional to 2,030,319.96, 3,045,864.42 and 815,990.84
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Solution
The fourth proportional to 2,030,319.96, 3,045,864.42 and 815,990.84 is: 1,224,140.78
Step by Step Solution
- Step 1: Write the proportion equation
2,030,319.96 : 3,045,864.42 = 815,990.84 : x - Step 2: Convert to fraction form
2,030,319.96/3,045,864.42 = 815,990.84/x - Step 3: Cross multiply
2,030,319.96x = 3,045,864.42 × 815,990.84 - Step 4: Simplify right side
2,030,319.96x = 2,485,397,466,601.91 - Step 5: Solve for x
x = 2,485,397,466,601.91/2,030,319.96 - Step 6: Final answer
x = 1,224,140.78
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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.