Finding the Fourth Proportional to 3,180,811.30, 4,769,582.55 and 936,657.70
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Solution
The fourth proportional to 3,180,811.30, 4,769,582.55 and 936,657.70 is: 1,404,505.27
Step by Step Solution
- Step 1: Write the proportion equation
3,180,811.30 : 4,769,582.55 = 936,657.70 : x - Step 2: Convert to fraction form
3,180,811.30/4,769,582.55 = 936,657.70/x - Step 3: Cross multiply
3,180,811.30x = 4,769,582.55 × 936,657.70 - Step 4: Simplify right side
3,180,811.30x = 4,467,466,221,243.14 - Step 5: Solve for x
x = 4,467,466,221,243.14/3,180,811.30 - Step 6: Final answer
x = 1,404,505.27
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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.