Finding the Fourth Proportional to 5,661,790.92, 8,486,577.36 and 2,779,806.06
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Solution
The fourth proportional to 5,661,790.92, 8,486,577.36 and 2,779,806.06 is: 4,166,709.70
Step by Step Solution
- Step 1: Write the proportion equation
5,661,790.92 : 8,486,577.36 = 2,779,806.06 : x - Step 2: Convert to fraction form
5,661,790.92/8,486,577.36 = 2,779,806.06/x - Step 3: Cross multiply
5,661,790.92x = 8,486,577.36 × 2,779,806.06 - Step 4: Simplify right side
5,661,790.92x = 23,591,039,173,986.80 - Step 5: Solve for x
x = 23,591,039,173,986.80/5,661,790.92 - Step 6: Final answer
x = 4,166,709.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.