Finding the Fourth Proportional to 1,576,326.60, 2,363,906.70 and 511,403.40
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Solution
The fourth proportional to 1,576,326.60, 2,363,906.70 and 511,403.40 is: 766,915.89
Step by Step Solution
- Step 1: Write the proportion equation
1,576,326.60 : 2,363,906.70 = 511,403.40 : x - Step 2: Convert to fraction form
1,576,326.60/2,363,906.70 = 511,403.40/x - Step 3: Cross multiply
1,576,326.60x = 2,363,906.70 × 511,403.40 - Step 4: Simplify right side
1,576,326.60x = 1,208,909,923,662.78 - Step 5: Solve for x
x = 1,208,909,923,662.78/1,576,326.60 - Step 6: Final answer
x = 766,915.89
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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.