Finding the Fourth Proportional to 1,467,113.70, 2,197,718.10 and 988,816.80
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Solution
The fourth proportional to 1,467,113.70, 2,197,718.10 and 988,816.80 is: 1,481,235.28
Step by Step Solution
- Step 1: Write the proportion equation
1,467,113.70 : 2,197,718.10 = 988,816.80 : x - Step 2: Convert to fraction form
1,467,113.70/2,197,718.10 = 988,816.80/x - Step 3: Cross multiply
1,467,113.70x = 2,197,718.10 × 988,816.80 - Step 4: Simplify right side
1,467,113.70x = 2,173,140,578,944.08 - Step 5: Solve for x
x = 2,173,140,578,944.08/1,467,113.70 - Step 6: Final answer
x = 1,481,235.28
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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.