Finding the Fourth Proportional to 3,995,518.56, 5,512,466.37 and 2,275,421.19
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Solution
The fourth proportional to 3,995,518.56, 5,512,466.37 and 2,275,421.19 is: 3,139,312.86
Step by Step Solution
- Step 1: Write the proportion equation
3,995,518.56 : 5,512,466.37 = 2,275,421.19 : x - Step 2: Convert to fraction form
3,995,518.56/5,512,466.37 = 2,275,421.19/x - Step 3: Cross multiply
3,995,518.56x = 5,512,466.37 × 2,275,421.19 - Step 4: Simplify right side
3,995,518.56x = 12,543,182,787,460.38 - Step 5: Solve for x
x = 12,543,182,787,460.38/3,995,518.56 - Step 6: Final answer
x = 3,139,312.86
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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.