Finding the Fourth Proportional to 5,255,796.80, 7,881,391.20 and 2,414,964.80
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Solution
The fourth proportional to 5,255,796.80, 7,881,391.20 and 2,414,964.80 is: 3,621,388.54
Step by Step Solution
- Step 1: Write the proportion equation
5,255,796.80 : 7,881,391.20 = 2,414,964.80 : x - Step 2: Convert to fraction form
5,255,796.80/7,881,391.20 = 2,414,964.80/x - Step 3: Cross multiply
5,255,796.80x = 7,881,391.20 × 2,414,964.80 - Step 4: Simplify right side
5,255,796.80x = 19,033,282,323,029.76 - Step 5: Solve for x
x = 19,033,282,323,029.76/5,255,796.80 - Step 6: Final answer
x = 3,621,388.54
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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.