Finding the Fourth Proportional to 1,627,248.12, 2,440,305.84 and 667,431.12
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Solution
The fourth proportional to 1,627,248.12, 2,440,305.84 and 667,431.12 is: 1,000,914.39
Step by Step Solution
- Step 1: Write the proportion equation
1,627,248.12 : 2,440,305.84 = 667,431.12 : x - Step 2: Convert to fraction form
1,627,248.12/2,440,305.84 = 667,431.12/x - Step 3: Cross multiply
1,627,248.12x = 2,440,305.84 × 667,431.12 - Step 4: Simplify right side
1,627,248.12x = 1,628,736,059,933.74 - Step 5: Solve for x
x = 1,628,736,059,933.74/1,627,248.12 - Step 6: Final answer
x = 1,000,914.39
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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.