Finding the Fourth Proportional to 4,709,684.80, 7,064,527.20 and 1,719,035.20
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Solution
The fourth proportional to 4,709,684.80, 7,064,527.20 and 1,719,035.20 is: 2,578,552.80
Step by Step Solution
- Step 1: Write the proportion equation
4,709,684.80 : 7,064,527.20 = 1,719,035.20 : x - Step 2: Convert to fraction form
4,709,684.80/7,064,527.20 = 1,719,035.20/x - Step 3: Cross multiply
4,709,684.80x = 7,064,527.20 × 1,719,035.20 - Step 4: Simplify right side
4,709,684.80x = 12,144,170,928,157.44 - Step 5: Solve for x
x = 12,144,170,928,157.44/4,709,684.80 - Step 6: Final answer
x = 2,578,552.80
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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.