Finding the Fourth Proportional to 2,408,639.26, 3,614,358.56 and 1,078,943.26
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Solution
The fourth proportional to 2,408,639.26, 3,614,358.56 and 1,078,943.26 is: 1,619,041.87
Step by Step Solution
- Step 1: Write the proportion equation
2,408,639.26 : 3,614,358.56 = 1,078,943.26 : x - Step 2: Convert to fraction form
2,408,639.26/3,614,358.56 = 1,078,943.26/x - Step 3: Cross multiply
2,408,639.26x = 3,614,358.56 × 1,078,943.26 - Step 4: Simplify right side
2,408,639.26x = 3,899,687,807,535.31 - Step 5: Solve for x
x = 3,899,687,807,535.31/2,408,639.26 - Step 6: Final answer
x = 1,619,041.87
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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.