Finding the Fourth Proportional to 1,696,065.48, 2,341,115.84 and 1,085,861.73
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Solution
The fourth proportional to 1,696,065.48, 2,341,115.84 and 1,085,861.73 is: 1,498,838.42
Step by Step Solution
- Step 1: Write the proportion equation
1,696,065.48 : 2,341,115.84 = 1,085,861.73 : x - Step 2: Convert to fraction form
1,696,065.48/2,341,115.84 = 1,085,861.73/x - Step 3: Cross multiply
1,696,065.48x = 2,341,115.84 × 1,085,861.73 - Step 4: Simplify right side
1,696,065.48x = 2,542,128,098,867.46 - Step 5: Solve for x
x = 2,542,128,098,867.46/1,696,065.48 - Step 6: Final answer
x = 1,498,838.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.