Finding the Fourth Proportional to 4,178,220.33, 6,267,888.22 and 1,653,285.09
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Solution
The fourth proportional to 4,178,220.33, 6,267,888.22 and 1,653,285.09 is: 2,480,148.32
Step by Step Solution
- Step 1: Write the proportion equation
4,178,220.33 : 6,267,888.22 = 1,653,285.09 : x - Step 2: Convert to fraction form
4,178,220.33/6,267,888.22 = 1,653,285.09/x - Step 3: Cross multiply
4,178,220.33x = 6,267,888.22 × 1,653,285.09 - Step 4: Simplify right side
4,178,220.33x = 10,362,606,135,779.43 - Step 5: Solve for x
x = 10,362,606,135,779.43/4,178,220.33 - Step 6: Final answer
x = 2,480,148.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.