Finding the Fourth Proportional to 3,625,299.18, 5,438,391.84 and 1,229,829.08
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Solution
The fourth proportional to 3,625,299.18, 5,438,391.84 and 1,229,829.08 is: 1,844,893.92
Step by Step Solution
- Step 1: Write the proportion equation
3,625,299.18 : 5,438,391.84 = 1,229,829.08 : x - Step 2: Convert to fraction form
3,625,299.18/5,438,391.84 = 1,229,829.08/x - Step 3: Cross multiply
3,625,299.18x = 5,438,391.84 × 1,229,829.08 - Step 4: Simplify right side
3,625,299.18x = 6,688,292,406,074.75 - Step 5: Solve for x
x = 6,688,292,406,074.75/3,625,299.18 - Step 6: Final answer
x = 1,844,893.92
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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.