Finding the Fourth Proportional to 2,177,719.73, 3,005,234.97 and 1,210,841.56
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Solution
The fourth proportional to 2,177,719.73, 3,005,234.97 and 1,210,841.56 is: 1,670,951.20
Step by Step Solution
- Step 1: Write the proportion equation
2,177,719.73 : 3,005,234.97 = 1,210,841.56 : x - Step 2: Convert to fraction form
2,177,719.73/3,005,234.97 = 1,210,841.56/x - Step 3: Cross multiply
2,177,719.73x = 3,005,234.97 × 1,210,841.56 - Step 4: Simplify right side
2,177,719.73x = 3,638,863,398,457.24 - Step 5: Solve for x
x = 3,638,863,398,457.24/2,177,719.73 - Step 6: Final answer
x = 1,670,951.20
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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.