Finding the Fourth Proportional to 4,239,007.68, 5,846,865.44 and 2,788,239.36
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Solution
The fourth proportional to 4,239,007.68, 5,846,865.44 and 2,788,239.36 is: 3,845,819.96
Step by Step Solution
- Step 1: Write the proportion equation
4,239,007.68 : 5,846,865.44 = 2,788,239.36 : x - Step 2: Convert to fraction form
4,239,007.68/5,846,865.44 = 2,788,239.36/x - Step 3: Cross multiply
4,239,007.68x = 5,846,865.44 × 2,788,239.36 - Step 4: Simplify right side
4,239,007.68x = 16,302,460,352,431.72 - Step 5: Solve for x
x = 16,302,460,352,431.72/4,239,007.68 - Step 6: Final answer
x = 3,845,819.96
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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.