Finding the Fourth Proportional to 3,965,220.54, 5,472,274.95 and 2,246,355.18
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Solution
The fourth proportional to 3,965,220.54, 5,472,274.95 and 2,246,355.18 is: 3,100,123.45
Step by Step Solution
- Step 1: Write the proportion equation
3,965,220.54 : 5,472,274.95 = 2,246,355.18 : x - Step 2: Convert to fraction form
3,965,220.54/5,472,274.95 = 2,246,355.18/x - Step 3: Cross multiply
3,965,220.54x = 5,472,274.95 × 2,246,355.18 - Step 4: Simplify right side
3,965,220.54x = 12,292,673,180,316.74 - Step 5: Solve for x
x = 12,292,673,180,316.74/3,965,220.54 - Step 6: Final answer
x = 3,100,123.45
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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.