Finding the Fourth Proportional to 1,528,905.20, 2,290,204.20 and 895,900.40
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Solution
The fourth proportional to 1,528,905.20, 2,290,204.20 and 895,900.40 is: 1,342,002.67
Step by Step Solution
- Step 1: Write the proportion equation
1,528,905.20 : 2,290,204.20 = 895,900.40 : x - Step 2: Convert to fraction form
1,528,905.20/2,290,204.20 = 895,900.40/x - Step 3: Cross multiply
1,528,905.20x = 2,290,204.20 × 895,900.40 - Step 4: Simplify right side
1,528,905.20x = 2,051,794,858,861.68 - Step 5: Solve for x
x = 2,051,794,858,861.68/1,528,905.20 - Step 6: Final answer
x = 1,342,002.67
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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.