Finding the Fourth Proportional to 2,412,905.80, 3,619,358.70 and 992,489.80
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Solution
The fourth proportional to 2,412,905.80, 3,619,358.70 and 992,489.80 is: 1,488,734.70
Step by Step Solution
- Step 1: Write the proportion equation
2,412,905.80 : 3,619,358.70 = 992,489.80 : x - Step 2: Convert to fraction form
2,412,905.80/3,619,358.70 = 992,489.80/x - Step 3: Cross multiply
2,412,905.80x = 3,619,358.70 × 992,489.80 - Step 4: Simplify right side
2,412,905.80x = 3,592,176,592,291.26 - Step 5: Solve for x
x = 3,592,176,592,291.26/2,412,905.80 - Step 6: Final answer
x = 1,488,734.70
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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.