Finding the Fourth Proportional to 5,343,958.80, 8,015,868.95 and 1,300,449.13
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Solution
The fourth proportional to 5,343,958.80, 8,015,868.95 and 1,300,449.13 is: 1,950,656.84
Step by Step Solution
- Step 1: Write the proportion equation
5,343,958.80 : 8,015,868.95 = 1,300,449.13 : x - Step 2: Convert to fraction form
5,343,958.80/8,015,868.95 = 1,300,449.13/x - Step 3: Cross multiply
5,343,958.80x = 8,015,868.95 × 1,300,449.13 - Step 4: Simplify right side
5,343,958.80x = 10,424,229,775,679.60 - Step 5: Solve for x
x = 10,424,229,775,679.60/5,343,958.80 - Step 6: Final answer
x = 1,950,656.84
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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.