Finding the Fourth Proportional to 4,214,497.16, 6,321,762.14 and 1,019,618.20
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Solution
The fourth proportional to 4,214,497.16, 6,321,762.14 and 1,019,618.20 is: 1,529,431.27
Step by Step Solution
- Step 1: Write the proportion equation
4,214,497.16 : 6,321,762.14 = 1,019,618.20 : x - Step 2: Convert to fraction form
4,214,497.16/6,321,762.14 = 1,019,618.20/x - Step 3: Cross multiply
4,214,497.16x = 6,321,762.14 × 1,019,618.20 - Step 4: Simplify right side
4,214,497.16x = 6,445,783,734,014.95 - Step 5: Solve for x
x = 6,445,783,734,014.95/4,214,497.16 - Step 6: Final answer
x = 1,529,431.27
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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.