Finding the Fourth Proportional to 1,672,839.92, 2,308,528.68 and 908,899.76
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Solution
The fourth proportional to 1,672,839.92, 2,308,528.68 and 908,899.76 is: 1,254,286.88
Step by Step Solution
- Step 1: Write the proportion equation
1,672,839.92 : 2,308,528.68 = 908,899.76 : x - Step 2: Convert to fraction form
1,672,839.92/2,308,528.68 = 908,899.76/x - Step 3: Cross multiply
1,672,839.92x = 2,308,528.68 × 908,899.76 - Step 4: Simplify right side
1,672,839.92x = 2,098,221,163,205.12 - Step 5: Solve for x
x = 2,098,221,163,205.12/1,672,839.92 - Step 6: Final answer
x = 1,254,286.88
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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.