Finding the Fourth Proportional to 3,963,102.72, 5,469,189.12 and 2,331,617.28
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Solution
The fourth proportional to 3,963,102.72, 5,469,189.12 and 2,331,617.28 is: 3,217,695.01
Step by Step Solution
- Step 1: Write the proportion equation
3,963,102.72 : 5,469,189.12 = 2,331,617.28 : x - Step 2: Convert to fraction form
3,963,102.72/5,469,189.12 = 2,331,617.28/x - Step 3: Cross multiply
3,963,102.72x = 5,469,189.12 × 2,331,617.28 - Step 4: Simplify right side
3,963,102.72x = 12,752,055,859,779.99 - Step 5: Solve for x
x = 12,752,055,859,779.99/3,963,102.72 - Step 6: Final answer
x = 3,217,695.01
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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.