Finding the Fourth Proportional to 2,913,884.16, 4,369,776.48 and 1,231,118.88
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Solution
The fourth proportional to 2,913,884.16, 4,369,776.48 and 1,231,118.88 is: 1,846,234.80
Step by Step Solution
- Step 1: Write the proportion equation
2,913,884.16 : 4,369,776.48 = 1,231,118.88 : x - Step 2: Convert to fraction form
2,913,884.16/4,369,776.48 = 1,231,118.88/x - Step 3: Cross multiply
2,913,884.16x = 4,369,776.48 × 1,231,118.88 - Step 4: Simplify right side
2,913,884.16x = 5,379,714,325,907.94 - Step 5: Solve for x
x = 5,379,714,325,907.94/2,913,884.16 - Step 6: Final answer
x = 1,846,234.80
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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.