Finding the Fourth Proportional to 1,457,922.68, 2,186,634.82 and 392,715.63
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Solution
The fourth proportional to 1,457,922.68, 2,186,634.82 and 392,715.63 is: 589,006.32
Step by Step Solution
- Step 1: Write the proportion equation
1,457,922.68 : 2,186,634.82 = 392,715.63 : x - Step 2: Convert to fraction form
1,457,922.68/2,186,634.82 = 392,715.63/x - Step 3: Cross multiply
1,457,922.68x = 2,186,634.82 × 392,715.63 - Step 4: Simplify right side
1,457,922.68x = 858,725,671,407.13 - Step 5: Solve for x
x = 858,725,671,407.13/1,457,922.68 - Step 6: Final answer
x = 589,006.32
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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.