Finding the Fourth Proportional to 5,393,278.35, 7,442,674.67 and 2,945,888.66
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Solution
The fourth proportional to 5,393,278.35, 7,442,674.67 and 2,945,888.66 is: 4,065,299.34
Step by Step Solution
- Step 1: Write the proportion equation
5,393,278.35 : 7,442,674.67 = 2,945,888.66 : x - Step 2: Convert to fraction form
5,393,278.35/7,442,674.67 = 2,945,888.66/x - Step 3: Cross multiply
5,393,278.35x = 7,442,674.67 × 2,945,888.66 - Step 4: Simplify right side
5,393,278.35x = 21,925,290,936,393.65 - Step 5: Solve for x
x = 21,925,290,936,393.65/5,393,278.35 - Step 6: Final answer
x = 4,065,299.34
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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.