Finding the Fourth Proportional to 5,519,089.82, 8,278,672.40 and 2,106,456.14
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Solution
The fourth proportional to 5,519,089.82, 8,278,672.40 and 2,106,456.14 is: 3,159,698.59
Step by Step Solution
- Step 1: Write the proportion equation
5,519,089.82 : 8,278,672.40 = 2,106,456.14 : x - Step 2: Convert to fraction form
5,519,089.82/8,278,672.40 = 2,106,456.14/x - Step 3: Cross multiply
5,519,089.82x = 8,278,672.40 × 2,106,456.14 - Step 4: Simplify right side
5,519,089.82x = 17,438,660,308,028.54 - Step 5: Solve for x
x = 17,438,660,308,028.54/5,519,089.82 - Step 6: Final answer
x = 3,159,698.59
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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.