Finding the Fourth Proportional to 2,637,712.80, 3,640,043.66 and 1,491,768.54
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Solution
The fourth proportional to 2,637,712.80, 3,640,043.66 and 1,491,768.54 is: 2,058,640.58
Step by Step Solution
- Step 1: Write the proportion equation
2,637,712.80 : 3,640,043.66 = 1,491,768.54 : x - Step 2: Convert to fraction form
2,637,712.80/3,640,043.66 = 1,491,768.54/x - Step 3: Cross multiply
2,637,712.80x = 3,640,043.66 × 1,491,768.54 - Step 4: Simplify right side
2,637,712.80x = 5,430,102,616,214.46 - Step 5: Solve for x
x = 5,430,102,616,214.46/2,637,712.80 - Step 6: Final answer
x = 2,058,640.58
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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.