Finding the Fourth Proportional to 4,986,755.10, 7,480,134.70 and 1,200,237.97
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Solution
The fourth proportional to 4,986,755.10, 7,480,134.70 and 1,200,237.97 is: 1,800,357.45
Step by Step Solution
- Step 1: Write the proportion equation
4,986,755.10 : 7,480,134.70 = 1,200,237.97 : x - Step 2: Convert to fraction form
4,986,755.10/7,480,134.70 = 1,200,237.97/x - Step 3: Cross multiply
4,986,755.10x = 7,480,134.70 × 1,200,237.97 - Step 4: Simplify right side
4,986,755.10x = 8,977,941,687,654.56 - Step 5: Solve for x
x = 8,977,941,687,654.56/4,986,755.10 - Step 6: Final answer
x = 1,800,357.45
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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.