Finding the Fourth Proportional to 2,126,125.92, 3,187,382.58 and 989,548.14
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Solution
The fourth proportional to 2,126,125.92, 3,187,382.58 and 989,548.14 is: 1,483,481.52
Step by Step Solution
- Step 1: Write the proportion equation
2,126,125.92 : 3,187,382.58 = 989,548.14 : x - Step 2: Convert to fraction form
2,126,125.92/3,187,382.58 = 989,548.14/x - Step 3: Cross multiply
2,126,125.92x = 3,187,382.58 × 989,548.14 - Step 4: Simplify right side
2,126,125.92x = 3,154,068,503,507.40 - Step 5: Solve for x
x = 3,154,068,503,507.40/2,126,125.92 - Step 6: Final answer
x = 1,483,481.52
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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.