Finding the Fourth Proportional to 3,912,024.76, 5,398,590.36 and 2,193,145.72
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Solution
The fourth proportional to 3,912,024.76, 5,398,590.36 and 2,193,145.72 is: 3,026,538.96
Step by Step Solution
- Step 1: Write the proportion equation
3,912,024.76 : 5,398,590.36 = 2,193,145.72 : x - Step 2: Convert to fraction form
3,912,024.76/5,398,590.36 = 2,193,145.72/x - Step 3: Cross multiply
3,912,024.76x = 5,398,590.36 × 2,193,145.72 - Step 4: Simplify right side
3,912,024.76x = 11,839,895,342,067.26 - Step 5: Solve for x
x = 11,839,895,342,067.26/3,912,024.76 - Step 6: Final answer
x = 3,026,538.96
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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.