Finding the Fourth Proportional to 5,381,466.12, 8,076,863.05 and 2,824,487.24
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Solution
The fourth proportional to 5,381,466.12, 8,076,863.05 and 2,824,487.24 is: 4,239,178.70
Step by Step Solution
- Step 1: Write the proportion equation
5,381,466.12 : 8,076,863.05 = 2,824,487.24 : x - Step 2: Convert to fraction form
5,381,466.12/8,076,863.05 = 2,824,487.24/x - Step 3: Cross multiply
5,381,466.12x = 8,076,863.05 × 2,824,487.24 - Step 4: Simplify right side
5,381,466.12x = 22,812,996,576,506.95 - Step 5: Solve for x
x = 22,812,996,576,506.95/5,381,466.12 - Step 6: Final answer
x = 4,239,178.70
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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.