Finding the Fourth Proportional to 1,486,984.84, 2,230,473.16 and 422,027.92
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Solution
The fourth proportional to 1,486,984.84, 2,230,473.16 and 422,027.92 is: 633,040.72
Step by Step Solution
- Step 1: Write the proportion equation
1,486,984.84 : 2,230,473.16 = 422,027.92 : x - Step 2: Convert to fraction form
1,486,984.84/2,230,473.16 = 422,027.92/x - Step 3: Cross multiply
1,486,984.84x = 2,230,473.16 × 422,027.92 - Step 4: Simplify right side
1,486,984.84x = 941,321,948,330.63 - Step 5: Solve for x
x = 941,321,948,330.63/1,486,984.84 - Step 6: Final answer
x = 633,040.72
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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.