Finding the Fourth Proportional to 1,489,639.08, 2,234,808.54 and 492,367.08
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Solution
The fourth proportional to 1,489,639.08, 2,234,808.54 and 492,367.08 is: 738,666.28
Step by Step Solution
- Step 1: Write the proportion equation
1,489,639.08 : 2,234,808.54 = 492,367.08 : x - Step 2: Convert to fraction form
1,489,639.08/2,234,808.54 = 492,367.08/x - Step 3: Cross multiply
1,489,639.08x = 2,234,808.54 × 492,367.08 - Step 4: Simplify right side
1,489,639.08x = 1,100,346,155,198.86 - Step 5: Solve for x
x = 1,100,346,155,198.86/1,489,639.08 - Step 6: Final answer
x = 738,666.28
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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.