Finding the Fourth Proportional to 5,514,212.60, 8,271,321.90 and 1,727,991.80
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Solution
The fourth proportional to 5,514,212.60, 8,271,321.90 and 1,727,991.80 is: 2,591,988.64
Step by Step Solution
- Step 1: Write the proportion equation
5,514,212.60 : 8,271,321.90 = 1,727,991.80 : x - Step 2: Convert to fraction form
5,514,212.60/8,271,321.90 = 1,727,991.80/x - Step 3: Cross multiply
5,514,212.60x = 8,271,321.90 × 1,727,991.80 - Step 4: Simplify right side
5,514,212.60x = 14,292,776,418,360.42 - Step 5: Solve for x
x = 14,292,776,418,360.42/5,514,212.60 - Step 6: Final answer
x = 2,591,988.64
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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.