Finding the Fourth Proportional to 2,080,138.20, 3,115,541.68 and 1,706,890.20
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Solution
The fourth proportional to 2,080,138.20, 3,115,541.68 and 1,706,890.20 is: 2,556,506.85
Step by Step Solution
- Step 1: Write the proportion equation
2,080,138.20 : 3,115,541.68 = 1,706,890.20 : x - Step 2: Convert to fraction form
2,080,138.20/3,115,541.68 = 1,706,890.20/x - Step 3: Cross multiply
2,080,138.20x = 3,115,541.68 × 1,706,890.20 - Step 4: Simplify right side
2,080,138.20x = 5,317,887,561,283.54 - Step 5: Solve for x
x = 5,317,887,561,283.54/2,080,138.20 - Step 6: Final answer
x = 2,556,506.85
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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.