Finding the Fourth Proportional to 4,921,165.12, 7,379,219.04 and 2,224,029.44
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Solution
The fourth proportional to 4,921,165.12, 7,379,219.04 and 2,224,029.44 is: 3,334,901.39
Step by Step Solution
- Step 1: Write the proportion equation
4,921,165.12 : 7,379,219.04 = 2,224,029.44 : x - Step 2: Convert to fraction form
4,921,165.12/7,379,219.04 = 2,224,029.44/x - Step 3: Cross multiply
4,921,165.12x = 7,379,219.04 × 2,224,029.44 - Step 4: Simplify right side
4,921,165.12x = 16,411,600,389,168.54 - Step 5: Solve for x
x = 16,411,600,389,168.54/4,921,165.12 - Step 6: Final answer
x = 3,334,901.39
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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.