Finding the Fourth Proportional to 5,194,679.76, 7,168,646.52 and 2,902,840.68
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Solution
The fourth proportional to 5,194,679.76, 7,168,646.52 and 2,902,840.68 is: 4,005,913.68
Step by Step Solution
- Step 1: Write the proportion equation
5,194,679.76 : 7,168,646.52 = 2,902,840.68 : x - Step 2: Convert to fraction form
5,194,679.76/7,168,646.52 = 2,902,840.68/x - Step 3: Cross multiply
5,194,679.76x = 7,168,646.52 × 2,902,840.68 - Step 4: Simplify right side
5,194,679.76x = 20,809,438,738,796.43 - Step 5: Solve for x
x = 20,809,438,738,796.43/5,194,679.76 - Step 6: Final answer
x = 4,005,913.68
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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.