Finding the Fourth Proportional to 1,207,113.21, 1,810,670.46 and 448,856.14
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Solution
The fourth proportional to 1,207,113.21, 1,810,670.46 and 448,856.14 is: 673,284.45
Step by Step Solution
- Step 1: Write the proportion equation
1,207,113.21 : 1,810,670.46 = 448,856.14 : x - Step 2: Convert to fraction form
1,207,113.21/1,810,670.46 = 448,856.14/x - Step 3: Cross multiply
1,207,113.21x = 1,810,670.46 × 448,856.14 - Step 4: Simplify right side
1,207,113.21x = 812,730,553,487.62 - Step 5: Solve for x
x = 812,730,553,487.62/1,207,113.21 - Step 6: Final answer
x = 673,284.45
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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.