Finding the Fourth Proportional to 5,404,742.08, 8,107,207.08 and 1,991,271.67
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Solution
The fourth proportional to 5,404,742.08, 8,107,207.08 and 1,991,271.67 is: 2,986,942.12
Step by Step Solution
- Step 1: Write the proportion equation
5,404,742.08 : 8,107,207.08 = 1,991,271.67 : x - Step 2: Convert to fraction form
5,404,742.08/8,107,207.08 = 1,991,271.67/x - Step 3: Cross multiply
5,404,742.08x = 8,107,207.08 × 1,991,271.67 - Step 4: Simplify right side
5,404,742.08x = 16,143,651,781,227.42 - Step 5: Solve for x
x = 16,143,651,781,227.42/5,404,742.08 - Step 6: Final answer
x = 2,986,942.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.