Finding the Fourth Proportional to 2,570,615.52, 3,852,134.28 and 1,431,809.99
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Solution
The fourth proportional to 2,570,615.52, 3,852,134.28 and 1,431,809.99 is: 2,145,604.55
Step by Step Solution
- Step 1: Write the proportion equation
2,570,615.52 : 3,852,134.28 = 1,431,809.99 : x - Step 2: Convert to fraction form
2,570,615.52/3,852,134.28 = 1,431,809.99/x - Step 3: Cross multiply
2,570,615.52x = 3,852,134.28 × 1,431,809.99 - Step 4: Simplify right side
2,570,615.52x = 5,515,524,344,925.46 - Step 5: Solve for x
x = 5,515,524,344,925.46/2,570,615.52 - Step 6: Final answer
x = 2,145,604.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.