Finding the Fourth Proportional to 2,236,037.40, 3,355,725.51 and 1,660,988.53
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Solution
The fourth proportional to 2,236,037.40, 3,355,725.51 and 1,660,988.53 is: 2,492,722.88
Step by Step Solution
- Step 1: Write the proportion equation
2,236,037.40 : 3,355,725.51 = 1,660,988.53 : x - Step 2: Convert to fraction form
2,236,037.40/3,355,725.51 = 1,660,988.53/x - Step 3: Cross multiply
2,236,037.40x = 3,355,725.51 × 1,660,988.53 - Step 4: Simplify right side
2,236,037.40x = 5,573,821,586,133.06 - Step 5: Solve for x
x = 5,573,821,586,133.06/2,236,037.40 - Step 6: Final answer
x = 2,492,722.88
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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.