Finding the Fourth Proportional to 4,823,184.20, 6,655,749.77 and 2,863,146.05
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Solution
The fourth proportional to 4,823,184.20, 6,655,749.77 and 2,863,146.05 is: 3,950,996.45
Step by Step Solution
- Step 1: Write the proportion equation
4,823,184.20 : 6,655,749.77 = 2,863,146.05 : x - Step 2: Convert to fraction form
4,823,184.20/6,655,749.77 = 2,863,146.05/x - Step 3: Cross multiply
4,823,184.20x = 6,655,749.77 × 2,863,146.05 - Step 4: Simplify right side
4,823,184.20x = 19,056,383,616,169.43 - Step 5: Solve for x
x = 19,056,383,616,169.43/4,823,184.20 - Step 6: Final answer
x = 3,950,996.45
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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.