Finding the Fourth Proportional to 2,607,728.94, 3,909,581.28 and 988,474.14
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Solution
The fourth proportional to 2,607,728.94, 3,909,581.28 and 988,474.14 is: 1,481,948.50
Step by Step Solution
- Step 1: Write the proportion equation
2,607,728.94 : 3,909,581.28 = 988,474.14 : x - Step 2: Convert to fraction form
2,607,728.94/3,909,581.28 = 988,474.14/x - Step 3: Cross multiply
2,607,728.94x = 3,909,581.28 × 988,474.14 - Step 4: Simplify right side
2,607,728.94x = 3,864,519,993,508.10 - Step 5: Solve for x
x = 3,864,519,993,508.10/2,607,728.94 - Step 6: Final answer
x = 1,481,948.50
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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.