Finding the Fourth Proportional to 2,292,069.95, 3,161,739.26 and 1,431,135.53
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Solution
The fourth proportional to 2,292,069.95, 3,161,739.26 and 1,431,135.53 is: 1,974,144.54
Step by Step Solution
- Step 1: Write the proportion equation
2,292,069.95 : 3,161,739.26 = 1,431,135.53 : x - Step 2: Convert to fraction form
2,292,069.95/3,161,739.26 = 1,431,135.53/x - Step 3: Cross multiply
2,292,069.95x = 3,161,739.26 × 1,431,135.53 - Step 4: Simplify right side
2,292,069.95x = 4,524,877,368,617.53 - Step 5: Solve for x
x = 4,524,877,368,617.53/2,292,069.95 - Step 6: Final answer
x = 1,974,144.54
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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.