Finding the Fourth Proportional to 2,680,717.36, 3,699,427.36 and 1,457,022.50
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Solution
The fourth proportional to 2,680,717.36, 3,699,427.36 and 1,457,022.50 is: 2,010,711.38
Step by Step Solution
- Step 1: Write the proportion equation
2,680,717.36 : 3,699,427.36 = 1,457,022.50 : x - Step 2: Convert to fraction form
2,680,717.36/3,699,427.36 = 1,457,022.50/x - Step 3: Cross multiply
2,680,717.36x = 3,699,427.36 × 1,457,022.50 - Step 4: Simplify right side
2,680,717.36x = 5,390,148,900,635.60 - Step 5: Solve for x
x = 5,390,148,900,635.60/2,680,717.36 - Step 6: Final answer
x = 2,010,711.38
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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.