Finding the Fourth Proportional to 4,170,811.70, 6,245,719.95 and 2,743,138.10
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Solution
The fourth proportional to 4,170,811.70, 6,245,719.95 and 2,743,138.10 is: 4,107,802.89
Step by Step Solution
- Step 1: Write the proportion equation
4,170,811.70 : 6,245,719.95 = 2,743,138.10 : x - Step 2: Convert to fraction form
4,170,811.70/6,245,719.95 = 2,743,138.10/x - Step 3: Cross multiply
4,170,811.70x = 6,245,719.95 × 2,743,138.10 - Step 4: Simplify right side
4,170,811.70x = 17,132,872,356,775.10 - Step 5: Solve for x
x = 17,132,872,356,775.10/4,170,811.70 - Step 6: Final answer
x = 4,107,802.89
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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.