Finding the Fourth Proportional to 5,127,473.34, 7,690,622.49 and 1,341,321.66
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Solution
The fourth proportional to 5,127,473.34, 7,690,622.49 and 1,341,321.66 is: 2,011,828.80
Step by Step Solution
- Step 1: Write the proportion equation
5,127,473.34 : 7,690,622.49 = 1,341,321.66 : x - Step 2: Convert to fraction form
5,127,473.34/7,690,622.49 = 1,341,321.66/x - Step 3: Cross multiply
5,127,473.34x = 7,690,622.49 × 1,341,321.66 - Step 4: Simplify right side
5,127,473.34x = 10,315,598,524,720.13 - Step 5: Solve for x
x = 10,315,598,524,720.13/5,127,473.34 - Step 6: Final answer
x = 2,011,828.80
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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.