Finding the Fourth Proportional to 1,618,331.64, 2,234,137.50 and 1,182,259.68
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Solution
The fourth proportional to 1,618,331.64, 2,234,137.50 and 1,182,259.68 is: 1,632,131.89
Step by Step Solution
- Step 1: Write the proportion equation
1,618,331.64 : 2,234,137.50 = 1,182,259.68 : x - Step 2: Convert to fraction form
1,618,331.64/2,234,137.50 = 1,182,259.68/x - Step 3: Cross multiply
1,618,331.64x = 2,234,137.50 × 1,182,259.68 - Step 4: Simplify right side
1,618,331.64x = 2,641,330,685,826 - Step 5: Solve for x
x = 2,641,330,685,826/1,618,331.64 - Step 6: Final answer
x = 1,632,131.89
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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.