Finding the Fourth Proportional to 3,960,734.76, 5,465,415.06 and 2,241,555.93
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Solution
The fourth proportional to 3,960,734.76, 5,465,415.06 and 2,241,555.93 is: 3,093,121.42
Step by Step Solution
- Step 1: Write the proportion equation
3,960,734.76 : 5,465,415.06 = 2,241,555.93 : x - Step 2: Convert to fraction form
3,960,734.76/5,465,415.06 = 2,241,555.93/x - Step 3: Cross multiply
3,960,734.76x = 5,465,415.06 × 2,241,555.93 - Step 4: Simplify right side
3,960,734.76x = 12,251,033,537,654.31 - Step 5: Solve for x
x = 12,251,033,537,654.31/3,960,734.76 - Step 6: Final answer
x = 3,093,121.42
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1.5x scale
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.