Finding the Fourth Proportional to 4,308,277.20, 6,462,415.80 and 3,107,662.80
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Solution
The fourth proportional to 4,308,277.20, 6,462,415.80 and 3,107,662.80 is: 4,661,494.20
Step by Step Solution
- Step 1: Write the proportion equation
4,308,277.20 : 6,462,415.80 = 3,107,662.80 : x - Step 2: Convert to fraction form
4,308,277.20/6,462,415.80 = 3,107,662.80/x - Step 3: Cross multiply
4,308,277.20x = 6,462,415.80 × 3,107,662.80 - Step 4: Simplify right side
4,308,277.20x = 20,083,009,179,792.24 - Step 5: Solve for x
x = 20,083,009,179,792.24/4,308,277.20 - Step 6: Final answer
x = 4,661,494.20
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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.