Finding the Fourth Proportional to 5,239,090.34, 7,858,635.87 and 1,452,573.32
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Solution
The fourth proportional to 5,239,090.34, 7,858,635.87 and 1,452,573.32 is: 2,178,860.08
Step by Step Solution
- Step 1: Write the proportion equation
5,239,090.34 : 7,858,635.87 = 1,452,573.32 : x - Step 2: Convert to fraction form
5,239,090.34/7,858,635.87 = 1,452,573.32/x - Step 3: Cross multiply
5,239,090.34x = 7,858,635.87 × 1,452,573.32 - Step 4: Simplify right side
5,239,090.34x = 11,415,244,796,356.99 - Step 5: Solve for x
x = 11,415,244,796,356.99/5,239,090.34 - Step 6: Final answer
x = 2,178,860.08
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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.