Finding the Fourth Proportional to 5,337,403.76, 7,365,606.24 and 2,890,014.08
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Solution
The fourth proportional to 5,337,403.76, 7,365,606.24 and 2,890,014.08 is: 3,988,213.50
Step by Step Solution
- Step 1: Write the proportion equation
5,337,403.76 : 7,365,606.24 = 2,890,014.08 : x - Step 2: Convert to fraction form
5,337,403.76/7,365,606.24 = 2,890,014.08/x - Step 3: Cross multiply
5,337,403.76x = 7,365,606.24 × 2,890,014.08 - Step 4: Simplify right side
5,337,403.76x = 21,286,705,741,335.86 - Step 5: Solve for x
x = 21,286,705,741,335.86/5,337,403.76 - Step 6: Final answer
x = 3,988,213.50
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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.