Finding the Fourth Proportional to 4,171,172.40, 6,255,203.40 and 1,646,305.20
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Solution
The fourth proportional to 4,171,172.40, 6,255,203.40 and 1,646,305.20 is: 2,468,843.98
Step by Step Solution
- Step 1: Write the proportion equation
4,171,172.40 : 6,255,203.40 = 1,646,305.20 : x - Step 2: Convert to fraction form
4,171,172.40/6,255,203.40 = 1,646,305.20/x - Step 3: Cross multiply
4,171,172.40x = 6,255,203.40 × 1,646,305.20 - Step 4: Simplify right side
4,171,172.40x = 10,297,973,884,477.68 - Step 5: Solve for x
x = 10,297,973,884,477.68/4,171,172.40 - Step 6: Final answer
x = 2,468,843.98
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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.