Finding the Fourth Proportional to 1,747,644.64, 2,411,172.84 and 1,424,799.70
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Solution
The fourth proportional to 1,747,644.64, 2,411,172.84 and 1,424,799.70 is: 1,965,753.37
Step by Step Solution
- Step 1: Write the proportion equation
1,747,644.64 : 2,411,172.84 = 1,424,799.70 : x - Step 2: Convert to fraction form
1,747,644.64/2,411,172.84 = 1,424,799.70/x - Step 3: Cross multiply
1,747,644.64x = 2,411,172.84 × 1,424,799.70 - Step 4: Simplify right side
1,747,644.64x = 3,435,438,339,080.15 - Step 5: Solve for x
x = 3,435,438,339,080.15/1,747,644.64 - Step 6: Final answer
x = 1,965,753.37
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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.