Finding the Fourth Proportional to 2,354,037.12, 3,248,307.36 and 1,387,104.48
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Solution
The fourth proportional to 2,354,037.12, 3,248,307.36 and 1,387,104.48 is: 1,914,048.70
Step by Step Solution
- Step 1: Write the proportion equation
2,354,037.12 : 3,248,307.36 = 1,387,104.48 : x - Step 2: Convert to fraction form
2,354,037.12/3,248,307.36 = 1,387,104.48/x - Step 3: Cross multiply
2,354,037.12x = 3,248,307.36 × 1,387,104.48 - Step 4: Simplify right side
2,354,037.12x = 4,505,741,691,472.97 - Step 5: Solve for x
x = 4,505,741,691,472.97/2,354,037.12 - Step 6: Final answer
x = 1,914,048.70
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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.