Finding the Fourth Proportional to 5,471,788.16, 7,551,051.84 and 3,057,342.08
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Solution
The fourth proportional to 5,471,788.16, 7,551,051.84 and 3,057,342.08 is: 4,219,123.23
Step by Step Solution
- Step 1: Write the proportion equation
5,471,788.16 : 7,551,051.84 = 3,057,342.08 : x - Step 2: Convert to fraction form
5,471,788.16/7,551,051.84 = 3,057,342.08/x - Step 3: Cross multiply
5,471,788.16x = 7,551,051.84 × 3,057,342.08 - Step 4: Simplify right side
5,471,788.16x = 23,086,148,538,693.43 - Step 5: Solve for x
x = 23,086,148,538,693.43/5,471,788.16 - Step 6: Final answer
x = 4,219,123.23
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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.