Finding the Fourth Proportional to 4,786,328.97, 7,179,555.98 and 1,591,455.08
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Solution
The fourth proportional to 4,786,328.97, 7,179,555.98 and 1,591,455.08 is: 2,387,203.41
Step by Step Solution
- Step 1: Write the proportion equation
4,786,328.97 : 7,179,555.98 = 1,591,455.08 : x - Step 2: Convert to fraction form
4,786,328.97/7,179,555.98 = 1,591,455.08/x - Step 3: Cross multiply
4,786,328.97x = 7,179,555.98 × 1,591,455.08 - Step 4: Simplify right side
4,786,328.97x = 11,425,940,846,506.99 - Step 5: Solve for x
x = 11,425,940,846,506.99/4,786,328.97 - Step 6: Final answer
x = 2,387,203.41
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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.