Finding the Fourth Proportional to 5,257,369.80, 7,886,054.70 and 3,229,036.65
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Solution
The fourth proportional to 5,257,369.80, 7,886,054.70 and 3,229,036.65 is: 4,843,554.98
Step by Step Solution
- Step 1: Write the proportion equation
5,257,369.80 : 7,886,054.70 = 3,229,036.65 : x - Step 2: Convert to fraction form
5,257,369.80/7,886,054.70 = 3,229,036.65/x - Step 3: Cross multiply
5,257,369.80x = 7,886,054.70 × 3,229,036.65 - Step 4: Simplify right side
5,257,369.80x = 25,464,359,650,204.75 - Step 5: Solve for x
x = 25,464,359,650,204.75/5,257,369.80 - Step 6: Final answer
x = 4,843,554.98
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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.