Finding the Fourth Proportional to 1,721,251.36, 2,576,829.93 and 1,207,134.64
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Solution
The fourth proportional to 1,721,251.36, 2,576,829.93 and 1,207,134.64 is: 1,807,162.36
Step by Step Solution
- Step 1: Write the proportion equation
1,721,251.36 : 2,576,829.93 = 1,207,134.64 : x - Step 2: Convert to fraction form
1,721,251.36/2,576,829.93 = 1,207,134.64/x - Step 3: Cross multiply
1,721,251.36x = 2,576,829.93 × 1,207,134.64 - Step 4: Simplify right side
1,721,251.36x = 3,110,580,669,891.78 - Step 5: Solve for x
x = 3,110,580,669,891.78/1,721,251.36 - Step 6: Final answer
x = 1,807,162.36
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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.