Finding the Fourth Proportional to 4,040,876.51, 5,576,539.62 and 2,298,501.09
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Solution
The fourth proportional to 4,040,876.51, 5,576,539.62 and 2,298,501.09 is: 3,172,005.47
Step by Step Solution
- Step 1: Write the proportion equation
4,040,876.51 : 5,576,539.62 = 2,298,501.09 : x - Step 2: Convert to fraction form
4,040,876.51/5,576,539.62 = 2,298,501.09/x - Step 3: Cross multiply
4,040,876.51x = 5,576,539.62 × 2,298,501.09 - Step 4: Simplify right side
4,040,876.51x = 12,817,682,394,998.19 - Step 5: Solve for x
x = 12,817,682,394,998.19/4,040,876.51 - Step 6: Final answer
x = 3,172,005.47
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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.