Finding the Fourth Proportional to 4,069,838.40, 6,105,632.40 and 1,230,237.60
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Solution
The fourth proportional to 4,069,838.40, 6,105,632.40 and 1,230,237.60 is: 1,845,620.84
Step by Step Solution
- Step 1: Write the proportion equation
4,069,838.40 : 6,105,632.40 = 1,230,237.60 : x - Step 2: Convert to fraction form
4,069,838.40/6,105,632.40 = 1,230,237.60/x - Step 3: Cross multiply
4,069,838.40x = 6,105,632.40 × 1,230,237.60 - Step 4: Simplify right side
4,069,838.40x = 7,511,378,550,258.24 - Step 5: Solve for x
x = 7,511,378,550,258.24/4,069,838.40 - Step 6: Final answer
x = 1,845,620.84
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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.