Finding the Fourth Proportional to 1,560,683.12, 2,341,180.62 and 423,463.40
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Solution
The fourth proportional to 1,560,683.12, 2,341,180.62 and 423,463.40 is: 635,237.41
Step by Step Solution
- Step 1: Write the proportion equation
1,560,683.12 : 2,341,180.62 = 423,463.40 : x - Step 2: Convert to fraction form
1,560,683.12/2,341,180.62 = 423,463.40/x - Step 3: Cross multiply
1,560,683.12x = 2,341,180.62 × 423,463.40 - Step 4: Simplify right side
1,560,683.12x = 991,404,305,359.31 - Step 5: Solve for x
x = 991,404,305,359.31/1,560,683.12 - Step 6: Final answer
x = 635,237.41
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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.