Finding the Fourth Proportional to 2,479,452.20, 3,717,428.70 and 1,132,260.20
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Solution
The fourth proportional to 2,479,452.20, 3,717,428.70 and 1,132,260.20 is: 1,697,591.33
Step by Step Solution
- Step 1: Write the proportion equation
2,479,452.20 : 3,717,428.70 = 1,132,260.20 : x - Step 2: Convert to fraction form
2,479,452.20/3,717,428.70 = 1,132,260.20/x - Step 3: Cross multiply
2,479,452.20x = 3,717,428.70 × 1,132,260.20 - Step 4: Simplify right side
2,479,452.20x = 4,209,096,563,347.74 - Step 5: Solve for x
x = 4,209,096,563,347.74/2,479,452.20 - Step 6: Final answer
x = 1,697,591.33
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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.