Finding the Fourth Proportional to 5,459,288.13, 7,533,554.67 and 2,978,361.09
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Solution
The fourth proportional to 5,459,288.13, 7,533,554.67 and 2,978,361.09 is: 4,109,994.85
Step by Step Solution
- Step 1: Write the proportion equation
5,459,288.13 : 7,533,554.67 = 2,978,361.09 : x - Step 2: Convert to fraction form
5,459,288.13/7,533,554.67 = 2,978,361.09/x - Step 3: Cross multiply
5,459,288.13x = 7,533,554.67 × 2,978,361.09 - Step 4: Simplify right side
5,459,288.13x = 22,437,646,098,515.79 - Step 5: Solve for x
x = 22,437,646,098,515.79/5,459,288.13 - Step 6: Final answer
x = 4,109,994.85
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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.