Finding the Fourth Proportional to 1,940,825.99, 2,678,350.85 and 1,125,513.76
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Solution
The fourth proportional to 1,940,825.99, 2,678,350.85 and 1,125,513.76 is: 1,553,215.36
Step by Step Solution
- Step 1: Write the proportion equation
1,940,825.99 : 2,678,350.85 = 1,125,513.76 : x - Step 2: Convert to fraction form
1,940,825.99/2,678,350.85 = 1,125,513.76/x - Step 3: Cross multiply
1,940,825.99x = 2,678,350.85 × 1,125,513.76 - Step 4: Simplify right side
1,940,825.99x = 3,014,520,735,782.70 - Step 5: Solve for x
x = 3,014,520,735,782.70/1,940,825.99 - Step 6: Final answer
x = 1,553,215.36
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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.