Finding the Fourth Proportional to 2,752,470.45, 4,128,705.68 and 2,185,600.05
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Solution
The fourth proportional to 2,752,470.45, 4,128,705.68 and 2,185,600.05 is: 3,278,400.08
Step by Step Solution
- Step 1: Write the proportion equation
2,752,470.45 : 4,128,705.68 = 2,185,600.05 : x - Step 2: Convert to fraction form
2,752,470.45/4,128,705.68 = 2,185,600.05/x - Step 3: Cross multiply
2,752,470.45x = 4,128,705.68 × 2,185,600.05 - Step 4: Simplify right side
2,752,470.45x = 9,023,699,329,715.28 - Step 5: Solve for x
x = 9,023,699,329,715.28/2,752,470.45 - Step 6: Final answer
x = 3,278,400.08
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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.