Finding the Fourth Proportional to 4,337,768.40, 5,980,799.24 and 3,519,655.44
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Solution
The fourth proportional to 4,337,768.40, 5,980,799.24 and 3,519,655.44 is: 4,852,806.94
Step by Step Solution
- Step 1: Write the proportion equation
4,337,768.40 : 5,980,799.24 = 3,519,655.44 : x - Step 2: Convert to fraction form
4,337,768.40/5,980,799.24 = 3,519,655.44/x - Step 3: Cross multiply
4,337,768.40x = 5,980,799.24 × 3,519,655.44 - Step 4: Simplify right side
4,337,768.40x = 21,050,352,580,613.87 - Step 5: Solve for x
x = 21,050,352,580,613.87/4,337,768.40 - Step 6: Final answer
x = 4,852,806.94
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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.