Finding the Fourth Proportional to 5,787,419.30, 8,678,671.35 and 2,796,520.10
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Solution
The fourth proportional to 5,787,419.30, 8,678,671.35 and 2,796,520.10 is: 4,193,592.62
Step by Step Solution
- Step 1: Write the proportion equation
5,787,419.30 : 8,678,671.35 = 2,796,520.10 : x - Step 2: Convert to fraction form
5,787,419.30/8,678,671.35 = 2,796,520.10/x - Step 3: Cross multiply
5,787,419.30x = 8,678,671.35 × 2,796,520.10 - Step 4: Simplify right side
5,787,419.30x = 24,270,078,871,569.14 - Step 5: Solve for x
x = 24,270,078,871,569.14/5,787,419.30 - Step 6: Final answer
x = 4,193,592.62
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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.