Finding the Fourth Proportional to 4,391,986.77, 6,060,878.99 and 2,431,676.81
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Solution
The fourth proportional to 4,391,986.77, 6,060,878.99 and 2,431,676.81 is: 3,355,679.25
Step by Step Solution
- Step 1: Write the proportion equation
4,391,986.77 : 6,060,878.99 = 2,431,676.81 : x - Step 2: Convert to fraction form
4,391,986.77/6,060,878.99 = 2,431,676.81/x - Step 3: Cross multiply
4,391,986.77x = 6,060,878.99 × 2,431,676.81 - Step 4: Simplify right side
4,391,986.77x = 14,738,098,888,199.22 - Step 5: Solve for x
x = 14,738,098,888,199.22/4,391,986.77 - Step 6: Final answer
x = 3,355,679.25
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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.