Finding the Fourth Proportional to 2,888,741.97, 3,990,616.23 and 2,307,201.56
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Solution
The fourth proportional to 2,888,741.97, 3,990,616.23 and 2,307,201.56 is: 3,187,254.55
Step by Step Solution
- Step 1: Write the proportion equation
2,888,741.97 : 3,990,616.23 = 2,307,201.56 : x - Step 2: Convert to fraction form
2,888,741.97/3,990,616.23 = 2,307,201.56/x - Step 3: Cross multiply
2,888,741.97x = 3,990,616.23 × 2,307,201.56 - Step 4: Simplify right side
2,888,741.97x = 9,207,155,991,217.32 - Step 5: Solve for x
x = 9,207,155,991,217.32/2,888,741.97 - Step 6: Final answer
x = 3,187,254.55
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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.