Finding the Fourth Proportional to 1,542,677.36, 2,313,778.44 and 420,833.84
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Solution
The fourth proportional to 1,542,677.36, 2,313,778.44 and 420,833.84 is: 631,185.94
Step by Step Solution
- Step 1: Write the proportion equation
1,542,677.36 : 2,313,778.44 = 420,833.84 : x - Step 2: Convert to fraction form
1,542,677.36/2,313,778.44 = 420,833.84/x - Step 3: Cross multiply
1,542,677.36x = 2,313,778.44 × 420,833.84 - Step 4: Simplify right side
1,542,677.36x = 973,716,265,814.41 - Step 5: Solve for x
x = 973,716,265,814.41/1,542,677.36 - Step 6: Final answer
x = 631,185.94
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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.