Finding the Fourth Proportional to 5,479,214.40, 8,203,075.20 and 3,353,450.40
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Solution
The fourth proportional to 5,479,214.40, 8,203,075.20 and 3,353,450.40 is: 5,020,538.31
Step by Step Solution
- Step 1: Write the proportion equation
5,479,214.40 : 8,203,075.20 = 3,353,450.40 : x - Step 2: Convert to fraction form
5,479,214.40/8,203,075.20 = 3,353,450.40/x - Step 3: Cross multiply
5,479,214.40x = 8,203,075.20 × 3,353,450.40 - Step 4: Simplify right side
5,479,214.40x = 27,508,605,810,670.08 - Step 5: Solve for x
x = 27,508,605,810,670.08/5,479,214.40 - Step 6: Final answer
x = 5,020,538.31
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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.