Finding the Fourth Proportional to 1,081,947.99, 1,621,867.36 and 451,042.23
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Solution
The fourth proportional to 1,081,947.99, 1,621,867.36 and 451,042.23 is: 676,123.69
Step by Step Solution
- Step 1: Write the proportion equation
1,081,947.99 : 1,621,867.36 = 451,042.23 : x - Step 2: Convert to fraction form
1,081,947.99/1,621,867.36 = 451,042.23/x - Step 3: Cross multiply
1,081,947.99x = 1,621,867.36 × 451,042.23 - Step 4: Simplify right side
1,081,947.99x = 731,530,670,818.61 - Step 5: Solve for x
x = 731,530,670,818.61/1,081,947.99 - Step 6: Final answer
x = 676,123.69
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1.5x scale
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.