Finding the Fourth Proportional to 1,972,644.99, 2,722,223.21 and 1,101,493.14
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Solution
The fourth proportional to 1,972,644.99, 2,722,223.21 and 1,101,493.14 is: 1,520,045.52
Step by Step Solution
- Step 1: Write the proportion equation
1,972,644.99 : 2,722,223.21 = 1,101,493.14 : x - Step 2: Convert to fraction form
1,972,644.99/2,722,223.21 = 1,101,493.14/x - Step 3: Cross multiply
1,972,644.99x = 2,722,223.21 × 1,101,493.14 - Step 4: Simplify right side
1,972,644.99x = 2,998,510,185,856.31 - Step 5: Solve for x
x = 2,998,510,185,856.31/1,972,644.99 - Step 6: Final answer
x = 1,520,045.52
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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.