Finding the Fourth Proportional to 2,172,849.80, 3,259,274.70 and 974,811.20
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Solution
The fourth proportional to 2,172,849.80, 3,259,274.70 and 974,811.20 is: 1,462,216.80
Step by Step Solution
- Step 1: Write the proportion equation
2,172,849.80 : 3,259,274.70 = 974,811.20 : x - Step 2: Convert to fraction form
2,172,849.80/3,259,274.70 = 974,811.20/x - Step 3: Cross multiply
2,172,849.80x = 3,259,274.70 × 974,811.20 - Step 4: Simplify right side
2,172,849.80x = 3,177,177,481,436.64 - Step 5: Solve for x
x = 3,177,177,481,436.64/2,172,849.80 - Step 6: Final answer
x = 1,462,216.80
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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.