Finding the Fourth Proportional to 1,508,512.11, 2,081,739.49 and 888,677.12
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Solution
The fourth proportional to 1,508,512.11, 2,081,739.49 and 888,677.12 is: 1,226,370.18
Step by Step Solution
- Step 1: Write the proportion equation
1,508,512.11 : 2,081,739.49 = 888,677.12 : x - Step 2: Convert to fraction form
1,508,512.11/2,081,739.49 = 888,677.12/x - Step 3: Cross multiply
1,508,512.11x = 2,081,739.49 × 888,677.12 - Step 4: Simplify right side
1,508,512.11x = 1,849,994,257,546.12 - Step 5: Solve for x
x = 1,849,994,257,546.12/1,508,512.11 - Step 6: Final answer
x = 1,226,370.18
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1.5x scale
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.