Finding the Fourth Proportional to 2,269,644.12, 3,132,014.61 and 1,237,129.18
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Solution
The fourth proportional to 2,269,644.12, 3,132,014.61 and 1,237,129.18 is: 1,707,186.88
Step by Step Solution
- Step 1: Write the proportion equation
2,269,644.12 : 3,132,014.61 = 1,237,129.18 : x - Step 2: Convert to fraction form
2,269,644.12/3,132,014.61 = 1,237,129.18/x - Step 3: Cross multiply
2,269,644.12x = 3,132,014.61 × 1,237,129.18 - Step 4: Simplify right side
2,269,644.12x = 3,874,706,666,217.32 - Step 5: Solve for x
x = 3,874,706,666,217.32/2,269,644.12 - Step 6: Final answer
x = 1,707,186.88
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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.