Finding the Fourth Proportional to 1,457,892.74, 2,186,829.84 and 497,885.15
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Solution
The fourth proportional to 1,457,892.74, 2,186,829.84 and 497,885.15 is: 746,824.56
Step by Step Solution
- Step 1: Write the proportion equation
1,457,892.74 : 2,186,829.84 = 497,885.15 : x - Step 2: Convert to fraction form
1,457,892.74/2,186,829.84 = 497,885.15/x - Step 3: Cross multiply
1,457,892.74x = 2,186,829.84 × 497,885.15 - Step 4: Simplify right side
1,457,892.74x = 1,088,790,102,912.88 - Step 5: Solve for x
x = 1,088,790,102,912.88/1,457,892.74 - Step 6: Final answer
x = 746,824.56
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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.