Finding the Fourth Proportional to 4,389,112.53, 6,056,984.25 and 2,455,405.47
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Solution
The fourth proportional to 4,389,112.53, 6,056,984.25 and 2,455,405.47 is: 3,388,464.56
Step by Step Solution
- Step 1: Write the proportion equation
4,389,112.53 : 6,056,984.25 = 2,455,405.47 : x - Step 2: Convert to fraction form
4,389,112.53/6,056,984.25 = 2,455,405.47/x - Step 3: Cross multiply
4,389,112.53x = 6,056,984.25 × 2,455,405.47 - Step 4: Simplify right side
4,389,112.53x = 14,872,352,259,153.85 - Step 5: Solve for x
x = 14,872,352,259,153.85/4,389,112.53 - Step 6: Final answer
x = 3,388,464.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.