Finding the Fourth Proportional to 5,229,424.32, 7,217,331.96 and 2,937,759.36
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Solution
The fourth proportional to 5,229,424.32, 7,217,331.96 and 2,937,759.36 is: 4,054,515.99
Step by Step Solution
- Step 1: Write the proportion equation
5,229,424.32 : 7,217,331.96 = 2,937,759.36 : x - Step 2: Convert to fraction form
5,229,424.32/7,217,331.96 = 2,937,759.36/x - Step 3: Cross multiply
5,229,424.32x = 7,217,331.96 × 2,937,759.36 - Step 4: Simplify right side
5,229,424.32x = 21,202,784,519,717.14 - Step 5: Solve for x
x = 21,202,784,519,717.14/5,229,424.32 - Step 6: Final answer
x = 4,054,515.99
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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.