Finding the Fourth Proportional to 2,292,615.92, 3,162,828.36 and 1,431,681.68
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Solution
The fourth proportional to 2,292,615.92, 3,162,828.36 and 1,431,681.68 is: 1,975,107.73
Step by Step Solution
- Step 1: Write the proportion equation
2,292,615.92 : 3,162,828.36 = 1,431,681.68 : x - Step 2: Convert to fraction form
2,292,615.92/3,162,828.36 = 1,431,681.68/x - Step 3: Cross multiply
2,292,615.92x = 3,162,828.36 × 1,431,681.68 - Step 4: Simplify right side
2,292,615.92x = 4,528,163,419,996.44 - Step 5: Solve for x
x = 4,528,163,419,996.44/2,292,615.92 - Step 6: Final answer
x = 1,975,107.73
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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.