Finding the Fourth Proportional to 4,782,952.02, 7,177,839.79 and 2,654,738.58
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Solution
The fourth proportional to 4,782,952.02, 7,177,839.79 and 2,654,738.58 is: 3,984,001.54
Step by Step Solution
- Step 1: Write the proportion equation
4,782,952.02 : 7,177,839.79 = 2,654,738.58 : x - Step 2: Convert to fraction form
4,782,952.02/7,177,839.79 = 2,654,738.58/x - Step 3: Cross multiply
4,782,952.02x = 7,177,839.79 × 2,654,738.58 - Step 4: Simplify right side
4,782,952.02x = 19,055,288,211,572.10 - Step 5: Solve for x
x = 19,055,288,211,572.10/4,782,952.02 - Step 6: Final answer
x = 3,984,001.54
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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.