Finding the Fourth Proportional to 2,292,575.28, 3,163,760.79 and 1,260,188.87
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Solution
The fourth proportional to 2,292,575.28, 3,163,760.79 and 1,260,188.87 is: 1,739,064.43
Step by Step Solution
- Step 1: Write the proportion equation
2,292,575.28 : 3,163,760.79 = 1,260,188.87 : x - Step 2: Convert to fraction form
2,292,575.28/3,163,760.79 = 1,260,188.87/x - Step 3: Cross multiply
2,292,575.28x = 3,163,760.79 × 1,260,188.87 - Step 4: Simplify right side
2,292,575.28x = 3,986,936,127,250.49 - Step 5: Solve for x
x = 3,986,936,127,250.49/2,292,575.28 - Step 6: Final answer
x = 1,739,064.43
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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.