Finding the Fourth Proportional to 2,825,386.97, 4,237,985.68 and 1,227,949.92
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Solution
The fourth proportional to 2,825,386.97, 4,237,985.68 and 1,227,949.92 is: 1,841,883.69
Step by Step Solution
- Step 1: Write the proportion equation
2,825,386.97 : 4,237,985.68 = 1,227,949.92 : x - Step 2: Convert to fraction form
2,825,386.97/4,237,985.68 = 1,227,949.92/x - Step 3: Cross multiply
2,825,386.97x = 4,237,985.68 × 1,227,949.92 - Step 4: Simplify right side
2,825,386.97x = 5,204,034,173,647.27 - Step 5: Solve for x
x = 5,204,034,173,647.27/2,825,386.97 - Step 6: Final answer
x = 1,841,883.69
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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.