Finding the Fourth Proportional to 6,390,260.62, 8,823,450.24 and 4,217,891.65
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Solution
The fourth proportional to 6,390,260.62, 8,823,450.24 and 4,217,891.65 is: 5,823,918.51
Step by Step Solution
- Step 1: Write the proportion equation
6,390,260.62 : 8,823,450.24 = 4,217,891.65 : x - Step 2: Convert to fraction form
6,390,260.62/8,823,450.24 = 4,217,891.65/x - Step 3: Cross multiply
6,390,260.62x = 8,823,450.24 × 4,217,891.65 - Step 4: Simplify right side
6,390,260.62x = 37,216,357,091,486.50 - Step 5: Solve for x
x = 37,216,357,091,486.50/6,390,260.62 - Step 6: Final answer
x = 5,823,918.51
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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.