Finding the Fourth Proportional to 1,493,712.37, 2,240,569.93 and 640,230.18
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Solution
The fourth proportional to 1,493,712.37, 2,240,569.93 and 640,230.18 is: 960,345.86
Step by Step Solution
- Step 1: Write the proportion equation
1,493,712.37 : 2,240,569.93 = 640,230.18 : x - Step 2: Convert to fraction form
1,493,712.37/2,240,569.93 = 640,230.18/x - Step 3: Cross multiply
1,493,712.37x = 2,240,569.93 × 640,230.18 - Step 4: Simplify right side
1,493,712.37x = 1,434,480,489,586.49 - Step 5: Solve for x
x = 1,434,480,489,586.49/1,493,712.37 - Step 6: Final answer
x = 960,345.86
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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.