Finding the Fourth Proportional to 5,462,526.80, 8,193,790.20 and 2,621,176.40
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Solution
The fourth proportional to 5,462,526.80, 8,193,790.20 and 2,621,176.40 is: 3,931,764.60
Step by Step Solution
- Step 1: Write the proportion equation
5,462,526.80 : 8,193,790.20 = 2,621,176.40 : x - Step 2: Convert to fraction form
5,462,526.80/8,193,790.20 = 2,621,176.40/x - Step 3: Cross multiply
5,462,526.80x = 8,193,790.20 × 2,621,176.40 - Step 4: Simplify right side
5,462,526.80x = 21,477,369,498,791.28 - Step 5: Solve for x
x = 21,477,369,498,791.28/5,462,526.80 - Step 6: Final answer
x = 3,931,764.60
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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.