Finding the Fourth Proportional to 6,145,611.90, 9,213,212.04 and 2,549,134.14
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Solution
The fourth proportional to 6,145,611.90, 9,213,212.04 and 2,549,134.14 is: 3,821,541.90
Step by Step Solution
- Step 1: Write the proportion equation
6,145,611.90 : 9,213,212.04 = 2,549,134.14 : x - Step 2: Convert to fraction form
6,145,611.90/9,213,212.04 = 2,549,134.14/x - Step 3: Cross multiply
6,145,611.90x = 9,213,212.04 × 2,549,134.14 - Step 4: Simplify right side
6,145,611.90x = 23,485,713,350,223.04 - Step 5: Solve for x
x = 23,485,713,350,223.04/6,145,611.90 - Step 6: Final answer
x = 3,821,541.90
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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.