Finding the Fourth Proportional to 1,598,721.10, 2,394,145.05 and 756,288.70
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Solution
The fourth proportional to 1,598,721.10, 2,394,145.05 and 756,288.70 is: 1,132,570.81
Step by Step Solution
- Step 1: Write the proportion equation
1,598,721.10 : 2,394,145.05 = 756,288.70 : x - Step 2: Convert to fraction form
1,598,721.10/2,394,145.05 = 756,288.70/x - Step 3: Cross multiply
1,598,721.10x = 2,394,145.05 × 756,288.70 - Step 4: Simplify right side
1,598,721.10x = 1,810,664,847,475.93 - Step 5: Solve for x
x = 1,810,664,847,475.93/1,598,721.10 - Step 6: Final answer
x = 1,132,570.81
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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.