Finding the Fourth Proportional to 4,782,951.52, 7,177,839.04 and 2,654,738.08
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Solution
The fourth proportional to 4,782,951.52, 7,177,839.04 and 2,654,738.08 is: 3,984,000.79
Step by Step Solution
- Step 1: Write the proportion equation
4,782,951.52 : 7,177,839.04 = 2,654,738.08 : x - Step 2: Convert to fraction form
4,782,951.52/7,177,839.04 = 2,654,738.08/x - Step 3: Cross multiply
4,782,951.52x = 7,177,839.04 × 2,654,738.08 - Step 4: Simplify right side
4,782,951.52x = 19,055,282,631,598.64 - Step 5: Solve for x
x = 19,055,282,631,598.64/4,782,951.52 - Step 6: Final answer
x = 3,984,000.79
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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.