Finding the Fourth Proportional to 2,793,260.81, 4,189,126.58 and 771,021.29
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Solution
The fourth proportional to 2,793,260.81, 4,189,126.58 and 771,021.29 is: 1,156,320.87
Step by Step Solution
- Step 1: Write the proportion equation
2,793,260.81 : 4,189,126.58 = 771,021.29 : x - Step 2: Convert to fraction form
2,793,260.81/4,189,126.58 = 771,021.29/x - Step 3: Cross multiply
2,793,260.81x = 4,189,126.58 × 771,021.29 - Step 4: Simplify right side
2,793,260.81x = 3,229,905,754,884.15 - Step 5: Solve for x
x = 3,229,905,754,884.15/2,793,260.81 - Step 6: Final answer
x = 1,156,320.87
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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.