Finding the Fourth Proportional to 2,121,126.84, 3,182,188.50 and 701,182.80
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Solution
The fourth proportional to 2,121,126.84, 3,182,188.50 and 701,182.80 is: 1,051,938.90
Step by Step Solution
- Step 1: Write the proportion equation
2,121,126.84 : 3,182,188.50 = 701,182.80 : x - Step 2: Convert to fraction form
2,121,126.84/3,182,188.50 = 701,182.80/x - Step 3: Cross multiply
2,121,126.84x = 3,182,188.50 × 701,182.80 - Step 4: Simplify right side
2,121,126.84x = 2,231,295,842,557.80 - Step 5: Solve for x
x = 2,231,295,842,557.80/2,121,126.84 - Step 6: Final answer
x = 1,051,938.90
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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.