Finding the Fourth Proportional to 2,752,486.80, 4,128,730.20 and 2,353,906.05
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Solution
The fourth proportional to 2,752,486.80, 4,128,730.20 and 2,353,906.05 is: 3,530,859.08
Step by Step Solution
- Step 1: Write the proportion equation
2,752,486.80 : 4,128,730.20 = 2,353,906.05 : x - Step 2: Convert to fraction form
2,752,486.80/4,128,730.20 = 2,353,906.05/x - Step 3: Cross multiply
2,752,486.80x = 4,128,730.20 × 2,353,906.05 - Step 4: Simplify right side
2,752,486.80x = 9,718,642,996,597.71 - Step 5: Solve for x
x = 9,718,642,996,597.71/2,752,486.80 - Step 6: Final answer
x = 3,530,859.08
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1.5x scale
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.