Finding the Fourth Proportional to 2,486,644.48, 3,431,246.72 and 1,398,879.36
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Solution
The fourth proportional to 2,486,644.48, 3,431,246.72 and 1,398,879.36 is: 1,930,272.00
Step by Step Solution
- Step 1: Write the proportion equation
2,486,644.48 : 3,431,246.72 = 1,398,879.36 : x - Step 2: Convert to fraction form
2,486,644.48/3,431,246.72 = 1,398,879.36/x - Step 3: Cross multiply
2,486,644.48x = 3,431,246.72 × 1,398,879.36 - Step 4: Simplify right side
2,486,644.48x = 4,799,900,215,675.70 - Step 5: Solve for x
x = 4,799,900,215,675.70/2,486,644.48 - Step 6: Final answer
x = 1,930,272.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.