Finding the Fourth Proportional to 3,528,004.40, 5,292,006.60 and 2,107,329.20
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Solution
The fourth proportional to 3,528,004.40, 5,292,006.60 and 2,107,329.20 is: 3,160,993.80
Step by Step Solution
- Step 1: Write the proportion equation
3,528,004.40 : 5,292,006.60 = 2,107,329.20 : x - Step 2: Convert to fraction form
3,528,004.40/5,292,006.60 = 2,107,329.20/x - Step 3: Cross multiply
3,528,004.40x = 5,292,006.60 × 2,107,329.20 - Step 4: Simplify right side
3,528,004.40x = 11,152,000,034,772.72 - Step 5: Solve for x
x = 11,152,000,034,772.72/3,528,004.40 - Step 6: Final answer
x = 3,160,993.80
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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.