Finding the Fourth Proportional to 3,750,018.32, 5,624,135.40 and 1,618,936.40
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Solution
The fourth proportional to 3,750,018.32, 5,624,135.40 and 1,618,936.40 is: 2,428,019.48
Step by Step Solution
- Step 1: Write the proportion equation
3,750,018.32 : 5,624,135.40 = 1,618,936.40 : x - Step 2: Convert to fraction form
3,750,018.32/5,624,135.40 = 1,618,936.40/x - Step 3: Cross multiply
3,750,018.32x = 5,624,135.40 × 1,618,936.40 - Step 4: Simplify right side
3,750,018.32x = 9,105,117,517,588.56 - Step 5: Solve for x
x = 9,105,117,517,588.56/3,750,018.32 - Step 6: Final answer
x = 2,428,019.48
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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.