Finding the Fourth Proportional to 4,866,581.20, 6,715,925.56 and 2,691,270.70
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Solution
The fourth proportional to 4,866,581.20, 6,715,925.56 and 2,691,270.70 is: 3,713,977.62
Step by Step Solution
- Step 1: Write the proportion equation
4,866,581.20 : 6,715,925.56 = 2,691,270.70 : x - Step 2: Convert to fraction form
4,866,581.20/6,715,925.56 = 2,691,270.70/x - Step 3: Cross multiply
4,866,581.20x = 6,715,925.56 × 2,691,270.70 - Step 4: Simplify right side
4,866,581.20x = 18,074,373,683,009.09 - Step 5: Solve for x
x = 18,074,373,683,009.09/4,866,581.20 - Step 6: Final answer
x = 3,713,977.62
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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.