Finding the Fourth Proportional to 2,664,387.46, 3,676,852.09 and 1,440,690.06
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Solution
The fourth proportional to 2,664,387.46, 3,676,852.09 and 1,440,690.06 is: 1,988,150.87
Step by Step Solution
- Step 1: Write the proportion equation
2,664,387.46 : 3,676,852.09 = 1,440,690.06 : x - Step 2: Convert to fraction form
2,664,387.46/3,676,852.09 = 1,440,690.06/x - Step 3: Cross multiply
2,664,387.46x = 3,676,852.09 × 1,440,690.06 - Step 4: Simplify right side
2,664,387.46x = 5,297,204,258,153.23 - Step 5: Solve for x
x = 5,297,204,258,153.23/2,664,387.46 - Step 6: Final answer
x = 1,988,150.87
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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.