Finding the Fourth Proportional to 2,889,937.68, 3,988,245.30 and 1,600,777.92
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Solution
The fourth proportional to 2,889,937.68, 3,988,245.30 and 1,600,777.92 is: 2,209,146.26
Step by Step Solution
- Step 1: Write the proportion equation
2,889,937.68 : 3,988,245.30 = 1,600,777.92 : x - Step 2: Convert to fraction form
2,889,937.68/3,988,245.30 = 1,600,777.92/x - Step 3: Cross multiply
2,889,937.68x = 3,988,245.30 × 1,600,777.92 - Step 4: Simplify right side
2,889,937.68x = 6,384,295,015,783.78 - Step 5: Solve for x
x = 6,384,295,015,783.78/2,889,937.68 - Step 6: Final answer
x = 2,209,146.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.