Finding the Fourth Proportional to 2,174,132.70, 3,000,202.92 and 1,207,324.80
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Solution
The fourth proportional to 2,174,132.70, 3,000,202.92 and 1,207,324.80 is: 1,666,052.58
Step by Step Solution
- Step 1: Write the proportion equation
2,174,132.70 : 3,000,202.92 = 1,207,324.80 : x - Step 2: Convert to fraction form
2,174,132.70/3,000,202.92 = 1,207,324.80/x - Step 3: Cross multiply
2,174,132.70x = 3,000,202.92 × 1,207,324.80 - Step 4: Simplify right side
2,174,132.70x = 3,622,219,390,348.42 - Step 5: Solve for x
x = 3,622,219,390,348.42/2,174,132.70 - Step 6: Final answer
x = 1,666,052.58
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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.