Finding the Fourth Proportional to 5,366,474.88, 7,405,900.80 and 2,919,264
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Solution
The fourth proportional to 5,366,474.88, 7,405,900.80 and 2,919,264 is: 4,028,674.33
Step by Step Solution
- Step 1: Write the proportion equation
5,366,474.88 : 7,405,900.80 = 2,919,264 : x - Step 2: Convert to fraction form
5,366,474.88/7,405,900.80 = 2,919,264/x - Step 3: Cross multiply
5,366,474.88x = 7,405,900.80 × 2,919,264 - Step 4: Simplify right side
5,366,474.88x = 21,619,779,593,011.20 - Step 5: Solve for x
x = 21,619,779,593,011.20/5,366,474.88 - Step 6: Final answer
x = 4,028,674.33
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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.