Finding the Fourth Proportional to 4,261,172.08, 6,391,782.24 and 1,421,276.44
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Solution
The fourth proportional to 4,261,172.08, 6,391,782.24 and 1,421,276.44 is: 2,131,922.71
Step by Step Solution
- Step 1: Write the proportion equation
4,261,172.08 : 6,391,782.24 = 1,421,276.44 : x - Step 2: Convert to fraction form
4,261,172.08/6,391,782.24 = 1,421,276.44/x - Step 3: Cross multiply
4,261,172.08x = 6,391,782.24 × 1,421,276.44 - Step 4: Simplify right side
4,261,172.08x = 9,084,489,507,322.43 - Step 5: Solve for x
x = 9,084,489,507,322.43/4,261,172.08 - Step 6: Final answer
x = 2,131,922.71
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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.