Finding the Fourth Proportional to 2,176,228.80, 3,264,343.20 and 756,428.40
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Solution
The fourth proportional to 2,176,228.80, 3,264,343.20 and 756,428.40 is: 1,134,642.60
Step by Step Solution
- Step 1: Write the proportion equation
2,176,228.80 : 3,264,343.20 = 756,428.40 : x - Step 2: Convert to fraction form
2,176,228.80/3,264,343.20 = 756,428.40/x - Step 3: Cross multiply
2,176,228.80x = 3,264,343.20 × 756,428.40 - Step 4: Simplify right side
2,176,228.80x = 2,469,241,903,826.88 - Step 5: Solve for x
x = 2,469,241,903,826.88/2,176,228.80 - Step 6: Final answer
x = 1,134,642.60
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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.