Finding the Fourth Proportional to 2,888,705.13, 3,990,565.43 and 2,307,164.75
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Solution
The fourth proportional to 2,888,705.13, 3,990,565.43 and 2,307,164.75 is: 3,187,203.76
Step by Step Solution
- Step 1: Write the proportion equation
2,888,705.13 : 3,990,565.43 = 2,307,164.75 : x - Step 2: Convert to fraction form
2,888,705.13/3,990,565.43 = 2,307,164.75/x - Step 3: Cross multiply
2,888,705.13x = 3,990,565.43 × 2,307,164.75 - Step 4: Simplify right side
2,888,705.13x = 9,206,891,861,175.94 - Step 5: Solve for x
x = 9,206,891,861,175.94/2,888,705.13 - Step 6: Final answer
x = 3,187,203.76
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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.