Finding the Fourth Proportional to 1,644,260.95, 2,269,040.09 and 919,193.91
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Solution
The fourth proportional to 1,644,260.95, 2,269,040.09 and 919,193.91 is: 1,268,465.22
Step by Step Solution
- Step 1: Write the proportion equation
1,644,260.95 : 2,269,040.09 = 919,193.91 : x - Step 2: Convert to fraction form
1,644,260.95/2,269,040.09 = 919,193.91/x - Step 3: Cross multiply
1,644,260.95x = 2,269,040.09 × 919,193.91 - Step 4: Simplify right side
1,644,260.95x = 2,085,687,824,339.45 - Step 5: Solve for x
x = 2,085,687,824,339.45/1,644,260.95 - Step 6: Final answer
x = 1,268,465.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.