Finding the Fourth Proportional to 1,661,299.20, 2,493,115.20 and 715,348.80
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Solution
The fourth proportional to 1,661,299.20, 2,493,115.20 and 715,348.80 is: 1,073,525.45
Step by Step Solution
- Step 1: Write the proportion equation
1,661,299.20 : 2,493,115.20 = 715,348.80 : x - Step 2: Convert to fraction form
1,661,299.20/2,493,115.20 = 715,348.80/x - Step 3: Cross multiply
1,661,299.20x = 2,493,115.20 × 715,348.80 - Step 4: Simplify right side
1,661,299.20x = 1,783,446,966,581.76 - Step 5: Solve for x
x = 1,783,446,966,581.76/1,661,299.20 - Step 6: Final answer
x = 1,073,525.45
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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.