Finding the Fourth Proportional to 2,664,426.06, 3,676,905.36 and 1,440,728.66
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Solution
The fourth proportional to 2,664,426.06, 3,676,905.36 and 1,440,728.66 is: 1,988,204.14
Step by Step Solution
- Step 1: Write the proportion equation
2,664,426.06 : 3,676,905.36 = 1,440,728.66 : x - Step 2: Convert to fraction form
2,664,426.06/3,676,905.36 = 1,440,728.66/x - Step 3: Cross multiply
2,664,426.06x = 3,676,905.36 × 1,440,728.66 - Step 4: Simplify right side
2,664,426.06x = 5,297,422,930,203.42 - Step 5: Solve for x
x = 5,297,422,930,203.42/2,664,426.06 - Step 6: Final answer
x = 1,988,204.14
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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.