Finding the Fourth Proportional to 1,644,137.39, 2,268,817.95 and 909,049.10
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Solution
The fourth proportional to 1,644,137.39, 2,268,817.95 and 909,049.10 is: 1,254,437.09
Step by Step Solution
- Step 1: Write the proportion equation
1,644,137.39 : 2,268,817.95 = 909,049.10 : x - Step 2: Convert to fraction form
1,644,137.39/2,268,817.95 = 909,049.10/x - Step 3: Cross multiply
1,644,137.39x = 2,268,817.95 × 909,049.10 - Step 4: Simplify right side
1,644,137.39x = 2,062,466,921,605.94 - Step 5: Solve for x
x = 2,062,466,921,605.94/1,644,137.39 - Step 6: Final answer
x = 1,254,437.09
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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.