Finding the Fourth Proportional to 1,819,781.44, 2,729,573.58 and 557,612.74
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Solution
The fourth proportional to 1,819,781.44, 2,729,573.58 and 557,612.74 is: 836,388.90
Step by Step Solution
- Step 1: Write the proportion equation
1,819,781.44 : 2,729,573.58 = 557,612.74 : x - Step 2: Convert to fraction form
1,819,781.44/2,729,573.58 = 557,612.74/x - Step 3: Cross multiply
1,819,781.44x = 2,729,573.58 × 557,612.74 - Step 4: Simplify right side
1,819,781.44x = 1,522,045,002,975.41 - Step 5: Solve for x
x = 1,522,045,002,975.41/1,819,781.44 - Step 6: Final answer
x = 836,388.90
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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.