Finding the Fourth Proportional to 2,880,276.48, 3,975,019.20 and 1,656,979.20
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Solution
The fourth proportional to 2,880,276.48, 3,975,019.20 and 1,656,979.20 is: 2,286,768.02
Step by Step Solution
- Step 1: Write the proportion equation
2,880,276.48 : 3,975,019.20 = 1,656,979.20 : x - Step 2: Convert to fraction form
2,880,276.48/3,975,019.20 = 1,656,979.20/x - Step 3: Cross multiply
2,880,276.48x = 3,975,019.20 × 1,656,979.20 - Step 4: Simplify right side
2,880,276.48x = 6,586,524,134,000.64 - Step 5: Solve for x
x = 6,586,524,134,000.64/2,880,276.48 - Step 6: Final answer
x = 2,286,768.02
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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.