Finding the Fourth Proportional to 1,467,642.30, 2,201,463.45 and 521,108.70
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Solution
The fourth proportional to 1,467,642.30, 2,201,463.45 and 521,108.70 is: 781,663.05
Step by Step Solution
- Step 1: Write the proportion equation
1,467,642.30 : 2,201,463.45 = 521,108.70 : x - Step 2: Convert to fraction form
1,467,642.30/2,201,463.45 = 521,108.70/x - Step 3: Cross multiply
1,467,642.30x = 2,201,463.45 × 521,108.70 - Step 4: Simplify right side
1,467,642.30x = 1,147,201,756,527.02 - Step 5: Solve for x
x = 1,147,201,756,527.02/1,467,642.30 - Step 6: Final answer
x = 781,663.05
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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.