Finding the Fourth Proportional to 2,356,865.97, 3,252,383.48 and 1,440,629.21
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Solution
The fourth proportional to 2,356,865.97, 3,252,383.48 and 1,440,629.21 is: 1,988,012.34
Step by Step Solution
- Step 1: Write the proportion equation
2,356,865.97 : 3,252,383.48 = 1,440,629.21 : x - Step 2: Convert to fraction form
2,356,865.97/3,252,383.48 = 1,440,629.21/x - Step 3: Cross multiply
2,356,865.97x = 3,252,383.48 × 1,440,629.21 - Step 4: Simplify right side
2,356,865.97x = 4,685,478,643,409.45 - Step 5: Solve for x
x = 4,685,478,643,409.45/2,356,865.97 - Step 6: Final answer
x = 1,988,012.34
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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.