Finding the Fourth Proportional to 3,609,689.70, 5,414,534.55 and 2,901,101.70
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Solution
The fourth proportional to 3,609,689.70, 5,414,534.55 and 2,901,101.70 is: 4,351,652.55
Step by Step Solution
- Step 1: Write the proportion equation
3,609,689.70 : 5,414,534.55 = 2,901,101.70 : x - Step 2: Convert to fraction form
3,609,689.70/5,414,534.55 = 2,901,101.70/x - Step 3: Cross multiply
3,609,689.70x = 5,414,534.55 × 2,901,101.70 - Step 4: Simplify right side
3,609,689.70x = 15,708,115,387,713.74 - Step 5: Solve for x
x = 15,708,115,387,713.74/3,609,689.70 - Step 6: Final answer
x = 4,351,652.55
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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.