Finding the Fourth Proportional to 6,293,372.91, 8,681,710.56 and 3,973,140.87
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Solution
The fourth proportional to 6,293,372.91, 8,681,710.56 and 3,973,140.87 is: 5,480,949.49
Step by Step Solution
- Step 1: Write the proportion equation
6,293,372.91 : 8,681,710.56 = 3,973,140.87 : x - Step 2: Convert to fraction form
6,293,372.91/8,681,710.56 = 3,973,140.87/x - Step 3: Cross multiply
6,293,372.91x = 8,681,710.56 × 3,973,140.87 - Step 4: Simplify right side
6,293,372.91x = 34,493,659,071,174.44 - Step 5: Solve for x
x = 34,493,659,071,174.44/6,293,372.91 - Step 6: Final answer
x = 5,480,949.49
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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.