Finding the Fourth Proportional to 3,886,907.29, 5,365,652.04 and 2,510,921.91
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Solution
The fourth proportional to 3,886,907.29, 5,365,652.04 and 2,510,921.91 is: 3,466,183.33
Step by Step Solution
- Step 1: Write the proportion equation
3,886,907.29 : 5,365,652.04 = 2,510,921.91 : x - Step 2: Convert to fraction form
3,886,907.29/5,365,652.04 = 2,510,921.91/x - Step 3: Cross multiply
3,886,907.29x = 5,365,652.04 × 2,510,921.91 - Step 4: Simplify right side
3,886,907.29x = 13,472,733,268,672.20 - Step 5: Solve for x
x = 13,472,733,268,672.20/3,886,907.29 - Step 6: Final answer
x = 3,466,183.33
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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.