Finding the Fourth Proportional to 3,568,390.77, 4,924,366.79 and 1,936,798.05
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Solution
The fourth proportional to 3,568,390.77, 4,924,366.79 and 1,936,798.05 is: 2,672,774.53
Step by Step Solution
- Step 1: Write the proportion equation
3,568,390.77 : 4,924,366.79 = 1,936,798.05 : x - Step 2: Convert to fraction form
3,568,390.77/4,924,366.79 = 1,936,798.05/x - Step 3: Cross multiply
3,568,390.77x = 4,924,366.79 × 1,936,798.05 - Step 4: Simplify right side
3,568,390.77x = 9,537,503,971,734.93 - Step 5: Solve for x
x = 9,537,503,971,734.93/3,568,390.77 - Step 6: Final answer
x = 2,672,774.53
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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.