Finding the Fourth Proportional to 3,876,149.76, 5,346,051.84 and 2,518,464
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Solution
The fourth proportional to 3,876,149.76, 5,346,051.84 and 2,518,464 is: 3,473,508.49
Step by Step Solution
- Step 1: Write the proportion equation
3,876,149.76 : 5,346,051.84 = 2,518,464 : x - Step 2: Convert to fraction form
3,876,149.76/5,346,051.84 = 2,518,464/x - Step 3: Cross multiply
3,876,149.76x = 5,346,051.84 × 2,518,464 - Step 4: Simplify right side
3,876,149.76x = 13,463,839,101,173.76 - Step 5: Solve for x
x = 13,463,839,101,173.76/3,876,149.76 - Step 6: Final answer
x = 3,473,508.49
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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.