Finding the Fourth Proportional to 4,320,128.75, 5,961,958.68 and 2,484,588.28
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Solution
The fourth proportional to 4,320,128.75, 5,961,958.68 and 2,484,588.28 is: 3,428,835.93
Step by Step Solution
- Step 1: Write the proportion equation
4,320,128.75 : 5,961,958.68 = 2,484,588.28 : x - Step 2: Convert to fraction form
4,320,128.75/5,961,958.68 = 2,484,588.28/x - Step 3: Cross multiply
4,320,128.75x = 5,961,958.68 × 2,484,588.28 - Step 4: Simplify right side
4,320,128.75x = 14,813,012,662,172.27 - Step 5: Solve for x
x = 14,813,012,662,172.27/4,320,128.75 - Step 6: Final answer
x = 3,428,835.93
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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.