Finding the Fourth Proportional to 2,752,080.70, 4,128,121.05 and 2,495,217.55
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Solution
The fourth proportional to 2,752,080.70, 4,128,121.05 and 2,495,217.55 is: 3,742,826.33
Step by Step Solution
- Step 1: Write the proportion equation
2,752,080.70 : 4,128,121.05 = 2,495,217.55 : x - Step 2: Convert to fraction form
2,752,080.70/4,128,121.05 = 2,495,217.55/x - Step 3: Cross multiply
2,752,080.70x = 4,128,121.05 × 2,495,217.55 - Step 4: Simplify right side
2,752,080.70x = 10,300,560,092,484.43 - Step 5: Solve for x
x = 10,300,560,092,484.43/2,752,080.70 - Step 6: Final answer
x = 3,742,826.33
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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.