Finding the Fourth Proportional to 2,102,108.97, 2,900,910.18 and 1,135,239.15
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Solution
The fourth proportional to 2,102,108.97, 2,900,910.18 and 1,135,239.15 is: 1,566,629.92
Step by Step Solution
- Step 1: Write the proportion equation
2,102,108.97 : 2,900,910.18 = 1,135,239.15 : x - Step 2: Convert to fraction form
2,102,108.97/2,900,910.18 = 1,135,239.15/x - Step 3: Cross multiply
2,102,108.97x = 2,900,910.18 × 1,135,239.15 - Step 4: Simplify right side
2,102,108.97x = 3,293,226,806,969.55 - Step 5: Solve for x
x = 3,293,226,806,969.55/2,102,108.97 - Step 6: Final answer
x = 1,566,629.92
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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.