Finding the Fourth Proportional to 4,190,208.20, 6,286,908.08 and 1,458,059.12
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Solution
The fourth proportional to 4,190,208.20, 6,286,908.08 and 1,458,059.12 is: 2,187,643.96
Step by Step Solution
- Step 1: Write the proportion equation
4,190,208.20 : 6,286,908.08 = 1,458,059.12 : x - Step 2: Convert to fraction form
4,190,208.20/6,286,908.08 = 1,458,059.12/x - Step 3: Cross multiply
4,190,208.20x = 6,286,908.08 × 1,458,059.12 - Step 4: Simplify right side
4,190,208.20x = 9,166,683,662,645.69 - Step 5: Solve for x
x = 9,166,683,662,645.69/4,190,208.20 - Step 6: Final answer
x = 2,187,643.96
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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.