Finding the Fourth Proportional to 2,486,585.94, 3,431,483.10 and 1,398,858
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Solution
The fourth proportional to 2,486,585.94, 3,431,483.10 and 1,398,858 is: 1,930,420.95
Step by Step Solution
- Step 1: Write the proportion equation
2,486,585.94 : 3,431,483.10 = 1,398,858 : x - Step 2: Convert to fraction form
2,486,585.94/3,431,483.10 = 1,398,858/x - Step 3: Cross multiply
2,486,585.94x = 3,431,483.10 × 1,398,858 - Step 4: Simplify right side
2,486,585.94x = 4,800,157,586,299.80 - Step 5: Solve for x
x = 4,800,157,586,299.80/2,486,585.94 - Step 6: Final answer
x = 1,930,420.95
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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.