Finding the Fourth Proportional to 3,405,748.87, 4,700,045.42 and 1,955,702.26
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Solution
The fourth proportional to 3,405,748.87, 4,700,045.42 and 1,955,702.26 is: 2,698,933.42
Step by Step Solution
- Step 1: Write the proportion equation
3,405,748.87 : 4,700,045.42 = 1,955,702.26 : x - Step 2: Convert to fraction form
3,405,748.87/4,700,045.42 = 1,955,702.26/x - Step 3: Cross multiply
3,405,748.87x = 4,700,045.42 × 1,955,702.26 - Step 4: Simplify right side
3,405,748.87x = 9,191,889,449,996.65 - Step 5: Solve for x
x = 9,191,889,449,996.65/3,405,748.87 - Step 6: Final answer
x = 2,698,933.42
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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.