Finding the Fourth Proportional to 1,661,108.70, 2,491,663.05 and 943,663.35
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Solution
The fourth proportional to 1,661,108.70, 2,491,663.05 and 943,663.35 is: 1,415,495.03
Step by Step Solution
- Step 1: Write the proportion equation
1,661,108.70 : 2,491,663.05 = 943,663.35 : x - Step 2: Convert to fraction form
1,661,108.70/2,491,663.05 = 943,663.35/x - Step 3: Cross multiply
1,661,108.70x = 2,491,663.05 × 943,663.35 - Step 4: Simplify right side
1,661,108.70x = 2,351,291,100,834.22 - Step 5: Solve for x
x = 2,351,291,100,834.22/1,661,108.70 - Step 6: Final answer
x = 1,415,495.03
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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.